shaders: Import shaders from godot 3.4

Obtained by clicking around in many of the example projects from
https://github.com/godotengine/godot-demo-projects commit 2e40f67b1b
in godot v3.4.4

Acked-by: Emma Anholt <emma@anholt.net>

245 files changed, 462656 insertions, 0 deletions

diff --git a/COPYING b/COPYING
index c4930a7..a13fd2d 100644
--- a/COPYING
+++ b/COPYING
@@ -153,6 +153,7 @@ freely, subject to the following restrictions:
    misrepresented as being the original software.
 3. This notice may not be removed or altered from any source distribution.
 
+shaders/godot3.4/*
 shaders/unity/*
 
 Copyright © 2014 Unity Technologies
diff --git a/shaders/godot3.4/1-1.shader_test b/shaders/godot3.4/1-1.shader_test
new file mode 100644
index 0000000..bca61cb
--- /dev/null
+++ b/shaders/godot3.4/1-1.shader_test
@@ -0,0 +1,1562 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/1-10.shader_test b/shaders/godot3.4/1-10.shader_test
new file mode 100644
index 0000000..95b1907
--- /dev/null
+++ b/shaders/godot3.4/1-10.shader_test
@@ -0,0 +1,878 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_TEXTURE_RECT
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_TEXTURE_RECT
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-1.shader_test b/shaders/godot3.4/10-1.shader_test
new file mode 100644
index 0000000..ca9ebb2
--- /dev/null
+++ b/shaders/godot3.4/10-1.shader_test
@@ -0,0 +1,3218 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define VERTEX_WORLD_COORDS_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define VERTEX_WORLD_COORDS_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-10.shader_test b/shaders/godot3.4/10-10.shader_test
new file mode 100644
index 0000000..0669a21
--- /dev/null
+++ b/shaders/godot3.4/10-10.shader_test
@@ -0,0 +1,1576 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_radius;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_col = texture2D(color_texture, uv);
+	vec2 m_ps = color_texpixel_size;
+	m_col += texture2D(color_texture, (uv + (vec2(0.0, -m_radius) * m_ps)));
+	m_col += texture2D(color_texture, (uv + (vec2(0.0, m_radius) * m_ps)));
+	m_col += texture2D(color_texture, (uv + (vec2(-m_radius, 0.0) * m_ps)));
+	m_col += texture2D(color_texture, (uv + (vec2(m_radius, 0.0) * m_ps)));
+	m_col /= 5.0;
+	color = m_col;
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_radius;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-12.shader_test b/shaders/godot3.4/10-12.shader_test
new file mode 100644
index 0000000..3e1ec47
--- /dev/null
+++ b/shaders/godot3.4/10-12.shader_test
@@ -0,0 +1,3253 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-13.shader_test b/shaders/godot3.4/10-13.shader_test
new file mode 100644
index 0000000..40656f1
--- /dev/null
+++ b/shaders/godot3.4/10-13.shader_test
@@ -0,0 +1,381 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_SOURCE_PANORAMA
+#define USE_DUAL_PARABOLOID
+precision highp float;
+precision highp int;
+
+precision highp float;
+/* clang-format on */
+precision highp int;
+
+#ifdef USE_SOURCE_PANORAMA
+uniform sampler2D source_panorama; //texunit:0
+uniform float source_resolution;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+uniform sampler2DArray source_dual_paraboloid_array; //texunit:0
+uniform int source_array_index;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+uniform sampler2D source_dual_paraboloid; //texunit:0
+#endif
+
+#if defined(USE_SOURCE_DUAL_PARABOLOID) || defined(COMPUTE_IRRADIANCE)
+uniform float source_mip_level;
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+uniform samplerCube source_cube; //texunit:0
+#endif
+
+uniform int face_id;
+uniform float roughness;
+
+in highp vec2 uv_interp;
+
+layout(location = 0) out vec4 frag_color;
+
+#define M_PI 3.14159265359
+
+vec3 texelCoordToVec(vec2 uv, int faceID) {
+	mat3 faceUvVectors[6];
+	/*
+	// -x
+	faceUvVectors[1][0] = vec3(0.0, 0.0, 1.0);  // u -> +z
+	faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[1][2] = vec3(-1.0, 0.0, 0.0); // -x face
+
+	// +x
+	faceUvVectors[0][0] = vec3(0.0, 0.0, -1.0); // u -> -z
+	faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[0][2] = vec3(1.0, 0.0, 0.0);  // +x face
+
+	// -y
+	faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[3][1] = vec3(0.0, 0.0, -1.0); // v -> -z
+	faceUvVectors[3][2] = vec3(0.0, -1.0, 0.0); // -y face
+
+	// +y
+	faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[2][1] = vec3(0.0, 0.0, 1.0);  // v -> +z
+	faceUvVectors[2][2] = vec3(0.0, 1.0, 0.0);  // +y face
+
+	// -z
+	faceUvVectors[5][0] = vec3(-1.0, 0.0, 0.0); // u -> -x
+	faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[5][2] = vec3(0.0, 0.0, -1.0); // -z face
+
+	// +z
+	faceUvVectors[4][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[4][2] = vec3(0.0, 0.0, 1.0);  // +z face
+	*/
+
+	// -x
+	faceUvVectors[0][0] = vec3(0.0, 0.0, 1.0); // u -> +z
+	faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[0][2] = vec3(-1.0, 0.0, 0.0); // -x face
+
+	// +x
+	faceUvVectors[1][0] = vec3(0.0, 0.0, -1.0); // u -> -z
+	faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[1][2] = vec3(1.0, 0.0, 0.0); // +x face
+
+	// -y
+	faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[2][1] = vec3(0.0, 0.0, -1.0); // v -> -z
+	faceUvVectors[2][2] = vec3(0.0, -1.0, 0.0); // -y face
+
+	// +y
+	faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[3][1] = vec3(0.0, 0.0, 1.0); // v -> +z
+	faceUvVectors[3][2] = vec3(0.0, 1.0, 0.0); // +y face
+
+	// -z
+	faceUvVectors[4][0] = vec3(-1.0, 0.0, 0.0); // u -> -x
+	faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[4][2] = vec3(0.0, 0.0, -1.0); // -z face
+
+	// +z
+	faceUvVectors[5][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[5][2] = vec3(0.0, 0.0, 1.0); // +z face
+
+	// out = u * s_faceUv[0] + v * s_faceUv[1] + s_faceUv[2].
+	vec3 result = (faceUvVectors[faceID][0] * uv.x) + (faceUvVectors[faceID][1] * uv.y) + faceUvVectors[faceID][2];
+	return normalize(result);
+}
+
+vec3 ImportanceSampleGGX(vec2 Xi, float Roughness, vec3 N) {
+	float a = Roughness * Roughness; // DISNEY'S ROUGHNESS [see Burley'12 siggraph]
+
+	// Compute distribution direction
+	float Phi = 2.0 * M_PI * Xi.x;
+	float CosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));
+	float SinTheta = sqrt(1.0 - CosTheta * CosTheta);
+
+	// Convert to spherical direction
+	vec3 H;
+	H.x = SinTheta * cos(Phi);
+	H.y = SinTheta * sin(Phi);
+	H.z = CosTheta;
+
+	vec3 UpVector = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);
+	vec3 TangentX = normalize(cross(UpVector, N));
+	vec3 TangentY = cross(N, TangentX);
+
+	// Tangent to world space
+	return TangentX * H.x + TangentY * H.y + N * H.z;
+}
+
+float DistributionGGX(vec3 N, vec3 H, float roughness) {
+	float a = roughness * roughness;
+	float a2 = a * a;
+	float NdotH = max(dot(N, H), 0.0);
+	float NdotH2 = NdotH * NdotH;
+
+	float nom = a2;
+	float denom = (NdotH2 * (a2 - 1.0) + 1.0);
+	denom = M_PI * denom * denom;
+
+	return nom / denom;
+}
+
+// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html
+float GGX(float NdotV, float a) {
+	float k = a / 2.0;
+	return NdotV / (NdotV * (1.0 - k) + k);
+}
+
+// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html
+float G_Smith(float a, float nDotV, float nDotL) {
+	return GGX(nDotL, a * a) * GGX(nDotV, a * a);
+}
+
+float radicalInverse_VdC(uint bits) {
+	bits = (bits << 16u) | (bits >> 16u);
+	bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);
+	bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);
+	bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);
+	bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);
+	return float(bits) * 2.3283064365386963e-10; // / 0x100000000
+}
+
+vec2 Hammersley(uint i, uint N) {
+	return vec2(float(i) / float(N), radicalInverse_VdC(i));
+}
+
+#ifdef LOW_QUALITY
+
+#define SAMPLE_COUNT 64u
+#define SAMPLE_DELTA 0.1
+
+#else
+
+#define SAMPLE_COUNT 512u
+#define SAMPLE_DELTA 0.03
+
+#endif
+
+uniform bool z_flip;
+
+#ifdef USE_SOURCE_PANORAMA
+
+vec4 texturePanorama(vec3 normal, sampler2D pano, float mipLevel) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return textureLod(pano, st, mipLevel);
+}
+
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+
+vec4 textureDualParaboloidArray(vec3 normal) {
+	vec3 norm = normalize(normal);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z < 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(source_dual_paraboloid_array, vec3(norm.xy, float(source_array_index)), 0.0);
+}
+
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+vec4 textureDualParaboloid(vec3 normal) {
+	vec3 norm = normalize(normal);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z < 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(source_dual_paraboloid, norm.xy, source_mip_level);
+}
+
+#endif
+
+void main() {
+#ifdef USE_DUAL_PARABOLOID
+
+	vec3 N = vec3(uv_interp * 2.0 - 1.0, 0.0);
+	N.z = 0.5 - 0.5 * ((N.x * N.x) + (N.y * N.y));
+	N = normalize(N);
+
+	if (z_flip) {
+		N.y = -N.y; //y is flipped to improve blending between both sides
+		N.z = -N.z;
+	}
+
+#else
+	vec2 uv = (uv_interp * 2.0) - 1.0;
+	vec3 N = texelCoordToVec(uv, face_id);
+#endif
+	//vec4 color = color_interp;
+
+#ifdef USE_DIRECT_WRITE
+
+#ifdef USE_SOURCE_PANORAMA
+
+	frag_color = vec4(texturePanorama(N, source_panorama, 0.0).rgb, 1.0);
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+
+	frag_color = vec4(textureDualParaboloidArray(N).rgb, 1.0);
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+
+	frag_color = vec4(textureDualParaboloid(N).rgb, 1.0);
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+
+	N.y = -N.y;
+	frag_color = vec4(texture(N, source_cube).rgb, 1.0);
+#endif
+
+#else // USE_DIRECT_WRITE
+
+#ifdef COMPUTE_IRRADIANCE
+
+	vec3 irradiance = vec3(0.0);
+
+	// tangent space calculation from origin point
+	vec3 UpVector = vec3(0.0, 1.0, 0.0);
+	vec3 TangentX = cross(UpVector, N);
+	vec3 TangentY = cross(N, TangentX);
+
+	float num_samples = 0.0f;
+
+	for (float phi = 0.0; phi < 2.0 * M_PI; phi += SAMPLE_DELTA) {
+		for (float theta = 0.0; theta < 0.5 * M_PI; theta += SAMPLE_DELTA) {
+			// Calculate sample positions
+			vec3 tangentSample = vec3(sin(theta) * cos(phi), sin(theta) * sin(phi), cos(theta));
+			// Find world vector of sample position
+			vec3 H = tangentSample.x * TangentX + tangentSample.y * TangentY + tangentSample.z * N;
+
+			vec2 st = vec2(atan(H.x, H.z), acos(H.y));
+			if (st.x < 0.0) {
+				st.x += M_PI * 2.0;
+			}
+			st /= vec2(M_PI * 2.0, M_PI);
+
+			irradiance += textureLod(source_panorama, st, source_mip_level).rgb * cos(theta) * sin(theta);
+			num_samples++;
+		}
+	}
+	irradiance = M_PI * irradiance * (1.0 / float(num_samples));
+
+	frag_color = vec4(irradiance, 1.0);
+
+#else
+
+	vec4 sum = vec4(0.0, 0.0, 0.0, 0.0);
+
+	for (uint sampleNum = 0u; sampleNum < SAMPLE_COUNT; sampleNum++) {
+		vec2 xi = Hammersley(sampleNum, SAMPLE_COUNT);
+
+		vec3 H = normalize(ImportanceSampleGGX(xi, roughness, N));
+		vec3 V = N;
+		vec3 L = normalize(2.0 * dot(V, H) * H - V);
+
+		float ndotl = max(dot(N, L), 0.0);
+
+		if (ndotl > 0.0) {
+
+#ifdef USE_SOURCE_PANORAMA
+			float D = DistributionGGX(N, H, roughness);
+			float ndoth = max(dot(N, H), 0.0);
+			float hdotv = max(dot(H, V), 0.0);
+			float pdf = D * ndoth / (4.0 * hdotv) + 0.0001;
+
+			float saTexel = 4.0 * M_PI / (6.0 * source_resolution * source_resolution);
+			float saSample = 1.0 / (float(SAMPLE_COUNT) * pdf + 0.0001);
+
+			float mipLevel = roughness == 0.0 ? 0.0 : 0.5 * log2(saSample / saTexel);
+
+			sum.rgb += texturePanorama(L, source_panorama, mipLevel).rgb * ndotl;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+			sum.rgb += textureDualParaboloidArray(L).rgb * ndotl;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+			sum.rgb += textureDualParaboloid(L).rgb * ndotl;
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+			L.y = -L.y;
+			sum.rgb += textureLod(source_cube, L, 0.0).rgb * ndotl;
+#endif
+			sum.a += ndotl;
+		}
+	}
+	sum /= sum.a;
+
+	frag_color = vec4(sum.rgb, 1.0);
+
+#endif // COMPUTE_IRRADIANCE
+#endif // USE_DIRECT_WRITE
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_SOURCE_PANORAMA
+#define USE_DUAL_PARABOLOID
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+/* clang-format on */
+
+layout(location = 4) in highp vec2 uv;
+
+out highp vec2 uv_interp;
+
+void main() {
+	uv_interp = uv;
+	gl_Position = vec4(vertex, 0, 1);
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-20.shader_test b/shaders/godot3.4/10-20.shader_test
new file mode 100644
index 0000000..13a998a
--- /dev/null
+++ b/shaders/godot3.4/10-20.shader_test
@@ -0,0 +1,3220 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	albedo = vec3(0.4,0.8,0.8);
+	alpha = 0.1;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-24.shader_test b/shaders/godot3.4/10-24.shader_test
new file mode 100644
index 0000000..d6dbb2f
--- /dev/null
+++ b/shaders/godot3.4/10-24.shader_test
@@ -0,0 +1,2418 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_5
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_5
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-32.shader_test b/shaders/godot3.4/10-32.shader_test
new file mode 100644
index 0000000..3875bf6
--- /dev/null
+++ b/shaders/godot3.4/10-32.shader_test
@@ -0,0 +1,882 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_INSTANCING
+#define USE_INSTANCE_CUSTOM
+#define USE_PARTICLES
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_INSTANCING
+#define USE_INSTANCE_CUSTOM
+#define USE_PARTICLES
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-36.shader_test b/shaders/godot3.4/10-36.shader_test
new file mode 100644
index 0000000..32b46bb
--- /dev/null
+++ b/shaders/godot3.4/10-36.shader_test
@@ -0,0 +1,241 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_SOURCE_PANORAMA
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+
+#endif
+
+#ifdef USE_SOURCE_PANORAMA
+uniform sampler2D source_panorama; //texunit:0
+#else
+uniform samplerCube source_cube; //texunit:0
+#endif
+/* clang-format on */
+
+uniform int face_id;
+uniform float roughness;
+varying highp vec2 uv_interp;
+
+uniform sampler2D radical_inverse_vdc_cache; // texunit:1
+
+#define M_PI 3.14159265359
+
+#ifdef LOW_QUALITY
+
+#define SAMPLE_COUNT 64
+
+#else
+
+#define SAMPLE_COUNT 512
+
+#endif
+
+#ifdef USE_SOURCE_PANORAMA
+
+vec4 texturePanorama(sampler2D pano, vec3 normal) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return texture2DLod(pano, st, 0.0);
+}
+
+#endif
+
+vec3 texelCoordToVec(vec2 uv, int faceID) {
+	mat3 faceUvVectors[6];
+
+	// -x
+	faceUvVectors[0][0] = vec3(0.0, 0.0, 1.0); // u -> +z
+	faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[0][2] = vec3(-1.0, 0.0, 0.0); // -x face
+
+	// +x
+	faceUvVectors[1][0] = vec3(0.0, 0.0, -1.0); // u -> -z
+	faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[1][2] = vec3(1.0, 0.0, 0.0); // +x face
+
+	// -y
+	faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[2][1] = vec3(0.0, 0.0, -1.0); // v -> -z
+	faceUvVectors[2][2] = vec3(0.0, -1.0, 0.0); // -y face
+
+	// +y
+	faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[3][1] = vec3(0.0, 0.0, 1.0); // v -> +z
+	faceUvVectors[3][2] = vec3(0.0, 1.0, 0.0); // +y face
+
+	// -z
+	faceUvVectors[4][0] = vec3(-1.0, 0.0, 0.0); // u -> -x
+	faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[4][2] = vec3(0.0, 0.0, -1.0); // -z face
+
+	// +z
+	faceUvVectors[5][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[5][2] = vec3(0.0, 0.0, 1.0); // +z face
+
+	// out = u * s_faceUv[0] + v * s_faceUv[1] + s_faceUv[2].
+	vec3 result;
+	for (int i = 0; i < 6; i++) {
+		if (i == faceID) {
+			result = (faceUvVectors[i][0] * uv.x) + (faceUvVectors[i][1] * uv.y) + faceUvVectors[i][2];
+			break;
+		}
+	}
+	return normalize(result);
+}
+
+vec3 ImportanceSampleGGX(vec2 Xi, float Roughness, vec3 N) {
+	float a = Roughness * Roughness; // DISNEY'S ROUGHNESS [see Burley'12 siggraph]
+
+	// Compute distribution direction
+	float Phi = 2.0 * M_PI * Xi.x;
+	float CosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));
+	float SinTheta = sqrt(1.0 - CosTheta * CosTheta);
+
+	// Convert to spherical direction
+	vec3 H;
+	H.x = SinTheta * cos(Phi);
+	H.y = SinTheta * sin(Phi);
+	H.z = CosTheta;
+
+	vec3 UpVector = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);
+	vec3 TangentX = normalize(cross(UpVector, N));
+	vec3 TangentY = cross(N, TangentX);
+
+	// Tangent to world space
+	return TangentX * H.x + TangentY * H.y + N * H.z;
+}
+
+float radical_inverse_VdC(int i) {
+	return texture2D(radical_inverse_vdc_cache, vec2(float(i) / 512.0, 0.0)).x;
+}
+
+vec2 Hammersley(int i, int N) {
+	return vec2(float(i) / float(N), radical_inverse_VdC(i));
+}
+
+uniform bool z_flip;
+
+void main() {
+	vec3 color = vec3(0.0);
+
+	vec2 uv = (uv_interp * 2.0) - 1.0;
+	vec3 N = texelCoordToVec(uv, face_id);
+
+#ifdef USE_DIRECT_WRITE
+
+#ifdef USE_SOURCE_PANORAMA
+
+	gl_FragColor = vec4(texturePanorama(source_panorama, N).rgb, 1.0);
+#else
+
+	gl_FragColor = vec4(textureCube(source_cube, N).rgb, 1.0);
+#endif //USE_SOURCE_PANORAMA
+
+#else
+
+	vec4 sum = vec4(0.0);
+
+	for (int sample_num = 0; sample_num < SAMPLE_COUNT; sample_num++) {
+		vec2 xi = Hammersley(sample_num, SAMPLE_COUNT);
+
+		vec3 H = ImportanceSampleGGX(xi, roughness, N);
+		vec3 V = N;
+		vec3 L = (2.0 * dot(V, H) * H - V);
+
+		float NdotL = clamp(dot(N, L), 0.0, 1.0);
+
+		if (NdotL > 0.0) {
+
+#ifdef USE_SOURCE_PANORAMA
+			vec3 val = texturePanorama(source_panorama, L).rgb;
+#else
+			vec3 val = textureCubeLod(source_cube, L, 0.0).rgb;
+#endif
+			//mix using Linear, to approximate high end back-end
+			val = mix(pow((val + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), val * (1.0 / 12.92), vec3(lessThan(val, vec3(0.04045))));
+
+			sum.rgb += val * NdotL;
+
+			sum.a += NdotL;
+		}
+	}
+
+	sum /= sum.a;
+
+	vec3 a = vec3(0.055);
+	sum.rgb = mix((vec3(1.0) + a) * pow(sum.rgb, vec3(1.0 / 2.4)) - a, 12.92 * sum.rgb, vec3(lessThan(sum.rgb, vec3(0.0031308))));
+
+	gl_FragColor = vec4(sum.rgb, 1.0);
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_SOURCE_PANORAMA
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+attribute highp vec2 vertex; // attrib:0
+/* clang-format on */
+attribute highp vec2 uv; // attrib:4
+
+varying highp vec2 uv_interp;
+
+void main() {
+	uv_interp = uv;
+	gl_Position = vec4(vertex, 0, 1);
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-48.shader_test b/shaders/godot3.4/10-48.shader_test
new file mode 100644
index 0000000..3b94e89
--- /dev/null
+++ b/shaders/godot3.4/10-48.shader_test
@@ -0,0 +1,100 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define EXPOSURE_BEGIN
+precision highp float;
+precision highp int;
+
+uniform highp sampler2D source_exposure; //texunit:0
+/* clang-format on */
+
+#ifdef EXPOSURE_BEGIN
+
+uniform highp ivec2 source_render_size;
+uniform highp ivec2 target_size;
+
+#endif
+
+#ifdef EXPOSURE_END
+
+uniform highp sampler2D prev_exposure; //texunit:1
+uniform highp float exposure_adjust;
+uniform highp float min_luminance;
+uniform highp float max_luminance;
+
+#endif
+
+layout(location = 0) out highp float exposure;
+
+void main() {
+#ifdef EXPOSURE_BEGIN
+
+	ivec2 src_pos = ivec2(gl_FragCoord.xy) * source_render_size / target_size;
+
+#if 1
+	//more precise and expensive, but less jittery
+	ivec2 next_pos = (ivec2(gl_FragCoord.xy) + ivec2(1)) * source_render_size / target_size;
+	next_pos = max(next_pos, src_pos + ivec2(1)); //so it at least reads one pixel
+	highp vec3 source_color = vec3(0.0);
+	for (int i = src_pos.x; i < next_pos.x; i++) {
+		for (int j = src_pos.y; j < next_pos.y; j++) {
+			source_color += texelFetch(source_exposure, ivec2(i, j), 0).rgb;
+		}
+	}
+
+	source_color /= float((next_pos.x - src_pos.x) * (next_pos.y - src_pos.y));
+#else
+	highp vec3 source_color = texelFetch(source_exposure, src_pos, 0).rgb;
+
+#endif
+
+	exposure = max(source_color.r, max(source_color.g, source_color.b));
+
+#else
+
+	ivec2 coord = ivec2(gl_FragCoord.xy);
+	exposure = texelFetch(source_exposure, coord * 3 + ivec2(0, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 2), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 2), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 2), 0).r;
+	exposure *= (1.0 / 9.0);
+
+#ifdef EXPOSURE_END
+
+#ifdef EXPOSURE_FORCE_SET
+	//will stay as is
+#else
+	highp float prev_lum = texelFetch(prev_exposure, ivec2(0, 0), 0).r; //1 pixel previous exposure
+	exposure = clamp(prev_lum + (exposure - prev_lum) * exposure_adjust, min_luminance, max_luminance);
+
+#endif //EXPOSURE_FORCE_SET
+
+#endif //EXPOSURE_END
+
+#endif //EXPOSURE_BEGIN
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define EXPOSURE_BEGIN
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+
+void main() {
+	gl_Position = vertex_attrib;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-6.shader_test b/shaders/godot3.4/10-6.shader_test
new file mode 100644
index 0000000..8fe3f80
--- /dev/null
+++ b/shaders/godot3.4/10-6.shader_test
@@ -0,0 +1,511 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+// any code here is never executed, stuff is filled just so it works
+
+#if defined(USE_MATERIAL)
+
+layout(std140) uniform UniformData {
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+vec3 m_emission_box_extents;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+
+#endif
+uniform sampler2D m_color_ramp;
+uniform sampler2D m_radial_accel_texture;
+uniform sampler2D m_scale_texture;
+
+
+void main() {
+
+	{
+
+
+	}
+
+	{
+
+
+	}
+}
+/* clang-format on */
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 color;
+/* clang-format on */
+layout(location = 1) in highp vec4 velocity_active;
+layout(location = 2) in highp vec4 custom;
+layout(location = 3) in highp vec4 xform_1;
+layout(location = 4) in highp vec4 xform_2;
+layout(location = 5) in highp vec4 xform_3;
+
+struct Attractor {
+	vec3 pos;
+	vec3 dir;
+	float radius;
+	float eat_radius;
+	float strength;
+	float attenuation;
+};
+
+#define MAX_ATTRACTORS 64
+
+uniform bool emitting;
+uniform float system_phase;
+uniform float prev_system_phase;
+uniform int total_particles;
+uniform float explosiveness;
+uniform float randomness;
+uniform float time;
+uniform float delta;
+
+uniform int attractor_count;
+uniform Attractor attractors[MAX_ATTRACTORS];
+uniform bool clear;
+uniform uint cycle;
+uniform float lifetime;
+uniform mat4 emission_transform;
+uniform uint random_seed;
+
+out highp vec4 out_color; //tfb:
+out highp vec4 out_velocity_active; //tfb:
+out highp vec4 out_custom; //tfb:
+out highp vec4 out_xform_1; //tfb:
+out highp vec4 out_xform_2; //tfb:
+out highp vec4 out_xform_3; //tfb:
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:0
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+vec3 m_emission_box_extents;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_color_ramp;
+uniform sampler2D m_radial_accel_texture;
+uniform sampler2D m_scale_texture;
+
+uint m_hash(uint m_x)
+	{
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=((m_x>>16u)^m_x);
+return m_x;	}
+
+float m_rand_from_seed(inout uint m_seed)
+	{
+		int m_k;
+		int m_s=int(m_seed);
+		if ((m_s==0))
+		{
+			m_s=305420679;
+		}
+		m_k=(m_s/127773);
+		m_s=((16807*(m_s-(m_k*127773)))-(2836*m_k));
+		if ((m_s<0))
+		{
+			m_s+=2147483647;
+		}
+		m_seed=uint(m_s);
+return (float((m_seed%65536u))/65535.0);	}
+
+float m_rand_from_seed_m1_p1(inout uint m_seed)
+	{
+return ((m_rand_from_seed(m_seed)*2.0)-1.0);	}
+
+
+/* clang-format on */
+
+uint hash(uint x) {
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = (x >> uint(16)) ^ x;
+	return x;
+}
+
+void main() {
+#ifdef PARTICLES_COPY
+
+	out_color = color;
+	out_velocity_active = velocity_active;
+	out_custom = custom;
+	out_xform_1 = xform_1;
+	out_xform_2 = xform_2;
+	out_xform_3 = xform_3;
+
+#else
+
+	bool apply_forces = true;
+	bool apply_velocity = true;
+	float local_delta = delta;
+
+	float mass = 1.0;
+
+	float restart_phase = float(gl_VertexID) / float(total_particles);
+
+	if (randomness > 0.0) {
+		uint seed = cycle;
+		if (restart_phase >= system_phase) {
+			seed -= uint(1);
+		}
+		seed *= uint(total_particles);
+		seed += uint(gl_VertexID);
+		float random = float(hash(seed) % uint(65536)) / 65536.0;
+		restart_phase += randomness * random * 1.0 / float(total_particles);
+	}
+
+	restart_phase *= (1.0 - explosiveness);
+	bool restart = false;
+	bool shader_active = velocity_active.a > 0.5;
+
+	if (system_phase > prev_system_phase) {
+		// restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed
+
+		if (restart_phase >= prev_system_phase && restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+
+	} else if (delta > 0.0) {
+		if (restart_phase >= prev_system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (1.0 - restart_phase + system_phase) * lifetime;
+#endif
+		} else if (restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+	}
+
+	uint current_cycle = cycle;
+
+	if (system_phase < restart_phase) {
+		current_cycle -= uint(1);
+	}
+
+	uint particle_number = current_cycle * uint(total_particles) + uint(gl_VertexID);
+	int index = int(gl_VertexID);
+
+	if (restart) {
+		shader_active = emitting;
+	}
+
+	mat4 xform;
+
+#if defined(ENABLE_KEEP_DATA)
+	if (clear) {
+#else
+	if (clear || restart) {
+#endif
+		out_color = vec4(1.0);
+		out_velocity_active = vec4(0.0);
+		out_custom = vec4(0.0);
+		if (!restart)
+			shader_active = false;
+
+		xform = mat4(
+				vec4(1.0, 0.0, 0.0, 0.0),
+				vec4(0.0, 1.0, 0.0, 0.0),
+				vec4(0.0, 0.0, 1.0, 0.0),
+				vec4(0.0, 0.0, 0.0, 1.0));
+	} else {
+		out_color = color;
+		out_velocity_active = velocity_active;
+		out_custom = custom;
+		xform = transpose(mat4(xform_1, xform_2, xform_3, vec4(vec3(0.0), 1.0)));
+	}
+
+	if (shader_active) {
+		//execute shader
+
+		{
+			/* clang-format off */
+	{
+		uint m_base_number=(particle_number/uint(m_trail_divisor));
+		uint m_alt_seed=m_hash(((m_base_number+1u)+random_seed));
+		float m_angle_rand=m_rand_from_seed(m_alt_seed);
+		float m_scale_rand=m_rand_from_seed(m_alt_seed);
+		float m_hue_rot_rand=m_rand_from_seed(m_alt_seed);
+		float m_anim_offset_rand=m_rand_from_seed(m_alt_seed);
+		float m_pi=3.14159;
+		float m_degree_to_rad=(m_pi/180.0);
+		bool m_restart=false;
+		float m_tv=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			m_restart=true;
+			m_tv=1.0;
+		}
+;
+		}
+		if ((restart||m_restart))
+		{
+					{
+			uint m_alt_restart_seed=m_hash(((m_base_number+301184u)+random_seed));
+			float m_tex_linear_velocity=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_offset=0.0;
+			float m_spread_rad=(m_spread*m_degree_to_rad);
+					{
+			float m_angle1_rad=(m_rand_from_seed_m1_p1(m_alt_restart_seed)*m_spread_rad);
+			m_angle1_rad+=((m_direction.x!=0.0)?atan(m_direction.y, m_direction.x):(sign(m_direction.y)*(m_pi/2.0)));
+			vec3 m_rot=vec3(cos(m_angle1_rad), sin(m_angle1_rad), 0.0);
+			out_velocity_active.xyz=((m_rot*m_initial_linear_velocity)*mix(1.0, m_rand_from_seed(m_alt_restart_seed), m_initial_linear_velocity_random));
+		}
+;
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.y=0.0;
+			out_custom.w=(1.0-(m_lifetime_randomness*m_rand_from_seed(m_alt_restart_seed)));
+			out_custom.z=((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random));
+			xform[3].xyz=(vec3(((m_rand_from_seed(m_alt_restart_seed)*2.0)-1.0), ((m_rand_from_seed(m_alt_restart_seed)*2.0)-1.0), ((m_rand_from_seed(m_alt_restart_seed)*2.0)-1.0))*m_emission_box_extents);
+			out_velocity_active.xyz=(emission_transform*vec4(out_velocity_active.xyz, 0.0)).xyz;
+			xform=(emission_transform*xform);
+			out_velocity_active.xyz.z=0.0;
+			xform[3].z=0.0;
+		}
+;
+		}
+		else
+		{
+					{
+			out_custom.y+=(local_delta/lifetime);
+			m_tv=(out_custom.y/out_custom.w);
+			float m_tex_linear_velocity=0.0;
+			float m_tex_orbit_velocity=0.0;
+			float m_tex_angular_velocity=0.0;
+			float m_tex_linear_accel=0.0;
+			float m_tex_radial_accel=textureLod(m_radial_accel_texture, vec2(m_tv, 0.0), 0.0).r;
+			float m_tex_tangent_accel=0.0;
+			float m_tex_damping=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_speed=0.0;
+			float m_tex_anim_offset=0.0;
+			vec3 m_force=m_gravity;
+			vec3 m_pos=xform[3].xyz;
+			m_pos.z=0.0;
+			m_force+=((length(out_velocity_active.xyz)>0.0)?((normalize(out_velocity_active.xyz)*(m_linear_accel+m_tex_linear_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_linear_accel_random)):vec3(0.0,0.0,0.0));
+			vec3 m_org=emission_transform[3].xyz;
+			vec3 m_diff=(m_pos-m_org);
+			m_force+=((length(m_diff)>0.0)?((normalize(m_diff)*(m_radial_accel+m_tex_radial_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_radial_accel_random)):vec3(0.0,0.0,0.0));
+			m_force+=((length(m_diff.yx)>0.0)?(vec3(normalize((m_diff.yx*vec2(-1.0,1.0))), 0.0)*((m_tangent_accel+m_tex_tangent_accel)*mix(1.0, m_rand_from_seed(m_alt_seed), m_tangent_accel_random))):vec3(0.0,0.0,0.0));
+			out_velocity_active.xyz+=(m_force*local_delta);
+			float m_orbit_amount=((m_orbit_velocity+m_tex_orbit_velocity)*mix(1.0, m_rand_from_seed(m_alt_seed), m_orbit_velocity_random));
+			if ((m_orbit_amount!=0.0))
+			{
+							{
+				float m_ang=(((m_orbit_amount*local_delta)*m_pi)*2.0);
+				mat2 m_rot=mat2(vec2(cos(m_ang), -sin(m_ang)), vec2(sin(m_ang), cos(m_ang)));
+				xform[3].xy-=m_diff.xy;
+				xform[3].xy+=(m_rot*m_diff.xy);
+			}
+;
+			}
+			if (((m_damping+m_tex_damping)>0.0))
+			{
+							{
+				float m_v=length(out_velocity_active.xyz);
+				float m_damp=((m_damping+m_tex_damping)*mix(1.0, m_rand_from_seed(m_alt_seed), m_damping_random));
+				m_v-=(m_damp*local_delta);
+				if ((m_v<0.0))
+				{
+									{
+					out_velocity_active.xyz=vec3(0.0,0.0,0.0);
+				}
+;
+				}
+				else
+				{
+									{
+					out_velocity_active.xyz=(normalize(out_velocity_active.xyz)*m_v);
+				}
+;
+				}
+			}
+;
+			}
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			m_base_angle+=(((out_custom.y*lifetime)*(m_angular_velocity+m_tex_angular_velocity))*mix(1.0, ((m_rand_from_seed(m_alt_seed)*2.0)-1.0), m_angular_velocity_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.z=(((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random))+((out_custom.y*(m_anim_speed+m_tex_anim_speed))*mix(1.0, m_rand_from_seed(m_alt_seed), m_anim_speed_random)));
+		}
+;
+		}
+		float m_tex_scale=textureLod(m_scale_texture, vec2(m_tv, 0.0), 0.0).r;
+		float m_tex_hue_variation=0.0;
+		float m_hue_rot_angle=((((m_hue_variation+m_tex_hue_variation)*m_pi)*2.0)*mix(1.0, ((m_hue_rot_rand*2.0)-1.0), m_hue_variation_random));
+		float m_hue_rot_c=cos(m_hue_rot_angle);
+		float m_hue_rot_s=sin(m_hue_rot_angle);
+		mat4 m_hue_rot_mat=((mat4(0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.0,0.0,0.0,1.0)+(mat4(0.701,-0.587,-0.114,0.0,-0.299,0.413,-0.114,0.0,-0.3,-0.588,0.886,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_c))+(mat4(0.168,0.33,-0.497,0.0,-0.328,0.035,0.292,0.0,1.25,-1.05,-0.203,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_s));
+		out_color=((m_hue_rot_mat*textureLod(m_color_ramp, vec2(m_tv, 0.0), 0.0))*m_color_value);
+		xform[0]=vec4(cos(out_custom.x), -sin(out_custom.x), 0.0, 0.0);
+		xform[1]=vec4(sin(out_custom.x), cos(out_custom.x), 0.0, 0.0);
+		xform[2]=vec4(0.0,0.0,1.0,0.0);
+		float m_base_scale=(m_tex_scale*mix(m_scale, 1.0, (m_scale_random*m_scale_rand)));
+		if ((m_base_scale<1e-06))
+		{
+					{
+			m_base_scale=1e-06;
+		}
+;
+		}
+		xform[0].xyz*=m_base_scale;
+		xform[1].xyz*=m_base_scale;
+		xform[2].xyz*=m_base_scale;
+		out_velocity_active.xyz.z=0.0;
+		xform[3].z=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			shader_active=false;
+		}
+;
+		}
+	}
+
+
+			/* clang-format on */
+		}
+
+#if !defined(DISABLE_FORCE)
+
+		if (false) {
+			vec3 force = vec3(0.0);
+			for (int i = 0; i < attractor_count; i++) {
+				vec3 rel_vec = xform[3].xyz - attractors[i].pos;
+				float dist = length(rel_vec);
+				if (attractors[i].radius < dist)
+					continue;
+				if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) {
+					out_velocity_active.a = 0.0;
+				}
+
+				rel_vec = normalize(rel_vec);
+
+				float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation);
+
+				if (attractors[i].dir == vec3(0.0)) {
+					//towards center
+					force += attractors[i].strength * rel_vec * attenuation * mass;
+				} else {
+					force += attractors[i].strength * attractors[i].dir * attenuation * mass;
+				}
+			}
+
+			out_velocity_active.xyz += force * local_delta;
+		}
+#endif
+
+#if !defined(DISABLE_VELOCITY)
+
+		if (true) {
+			xform[3].xyz += out_velocity_active.xyz * local_delta;
+		}
+#endif
+	} else {
+		xform = mat4(0.0);
+	}
+
+	xform = transpose(xform);
+
+	out_velocity_active.a = mix(0.0, 1.0, shader_active);
+
+	out_xform_1 = xform[0];
+	out_xform_2 = xform[1];
+	out_xform_3 = xform[2];
+
+#endif //PARTICLES_COPY
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-62.shader_test b/shaders/godot3.4/10-62.shader_test
new file mode 100644
index 0000000..10b8e7a
--- /dev/null
+++ b/shaders/godot3.4/10-62.shader_test
@@ -0,0 +1,1564 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define USE_PIXEL_SNAP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define USE_PIXEL_SNAP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/10-70.shader_test b/shaders/godot3.4/10-70.shader_test
new file mode 100644
index 0000000..7d4a9e9
--- /dev/null
+++ b/shaders/godot3.4/10-70.shader_test
@@ -0,0 +1,330 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define GAUSSIAN_HORIZONTAL
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+uniform sampler2D source_color; //texunit:0
+
+#ifdef SSAO_MERGE
+uniform sampler2D source_ssao; //texunit:1
+#endif
+
+uniform float lod;
+uniform vec2 pixel_size;
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef SSAO_MERGE
+
+uniform vec4 ssao_color;
+
+#endif
+
+#if defined(GLOW_GAUSSIAN_HORIZONTAL) || defined(GLOW_GAUSSIAN_VERTICAL)
+
+uniform float glow_strength;
+
+#endif
+
+#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
+
+#ifdef DOF_QUALITY_LOW
+const int dof_kernel_size = 5;
+const int dof_kernel_from = 2;
+const float dof_kernel[5] = float[](0.153388, 0.221461, 0.250301, 0.221461, 0.153388);
+#endif
+
+#ifdef DOF_QUALITY_MEDIUM
+const int dof_kernel_size = 11;
+const int dof_kernel_from = 5;
+const float dof_kernel[11] = float[](0.055037, 0.072806, 0.090506, 0.105726, 0.116061, 0.119726, 0.116061, 0.105726, 0.090506, 0.072806, 0.055037);
+
+#endif
+
+#ifdef DOF_QUALITY_HIGH
+const int dof_kernel_size = 21;
+const int dof_kernel_from = 10;
+const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174);
+#endif
+
+uniform sampler2D dof_source_depth; //texunit:1
+uniform float dof_begin;
+uniform float dof_end;
+uniform vec2 dof_dir;
+uniform float dof_radius;
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+uniform sampler2D source_dof_original; //texunit:2
+#endif
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+uniform float exposure;
+uniform float white;
+uniform highp float luminance_cap;
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+
+#endif
+
+uniform float glow_bloom;
+uniform float glow_hdr_threshold;
+uniform float glow_hdr_scale;
+
+#endif
+
+uniform float camera_z_far;
+uniform float camera_z_near;
+
+void main() {
+#ifdef GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+	// sigma 2
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.214607;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.071303;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303;
+	frag_color = color;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.38774;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.06136;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.06136;
+	frag_color = color;
+#endif
+
+	//glow uses larger sigma for a more rounded blur effect
+
+#ifdef GLOW_GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+
+#ifdef USE_GLOW_HIGH_QUALITY
+	// Sample from two lines to capture single-pixel features.
+	// This is significantly slower, but looks better and is more stable for moving objects.
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 0.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 0.0) * pix_size, lod) * 0.063327;
+
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 1.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 1.0) * pix_size, lod) * 0.063327;
+	color *= 0.5;
+#else
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595;
+#endif //USE_GLOW_HIGH_QUALITY
+
+	color *= glow_strength;
+	frag_color = color;
+#endif //GLOW_GAUSSIAN_HORIZONTAL
+
+#ifdef GLOW_GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581;
+	color *= glow_strength;
+	frag_color = color;
+#endif
+
+#ifdef DOF_FAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float depth = textureLod(dof_source_depth, uv_interp, 0.0).r;
+	depth = depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near));
+#endif
+
+	float amount = smoothstep(dof_begin, dof_end, depth);
+	float k_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * amount * dof_radius;
+
+		float tap_k = dof_kernel[i];
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = mix(smoothstep(dof_begin, dof_end, tap_depth), 1.0, int_ofs == 0);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0) * tap_k;
+
+		k_accum += tap_k * tap_amount;
+		color_accum += tap_color * tap_amount;
+	}
+
+	if (k_accum > 0.0) {
+		color_accum /= k_accum;
+	}
+
+	frag_color = color_accum; ///k_accum;
+
+#endif
+
+#ifdef DOF_NEAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float max_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * dof_radius;
+		float ofs_influence = max(0.0, 1.0 - float(abs(int_ofs)) / float(dof_kernel_from));
+
+		float tap_k = dof_kernel[i];
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0);
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+#ifdef DOF_NEAR_FIRST_TAP
+
+		tap_color.a = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+
+#endif
+
+		max_accum = max(max_accum, tap_amount * ofs_influence);
+
+		color_accum += tap_color * tap_k;
+	}
+
+	color_accum.a = max(color_accum.a, sqrt(max_accum));
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+	vec4 original = textureLod(source_dof_original, uv_interp, 0.0);
+	color_accum = mix(original, color_accum, color_accum.a);
+
+#endif
+
+#ifndef DOF_NEAR_FIRST_TAP
+	//color_accum=vec4(vec3(color_accum.a),1.0);
+#endif
+	frag_color = color_accum;
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+	frag_color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+	frag_color *= exposure;
+
+	float luminance = max(frag_color.r, max(frag_color.g, frag_color.b));
+	float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom);
+
+	frag_color = min(frag_color * feedback, vec4(luminance_cap));
+
+#endif
+
+#ifdef SIMPLE_COPY
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	frag_color = color;
+#endif
+
+#ifdef SSAO_MERGE
+
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	float ssao = textureLod(source_ssao, uv_interp, 0.0).r;
+
+	frag_color = vec4(mix(color.rgb, color.rgb * mix(ssao_color.rgb, vec3(1.0), ssao), color.a), 1.0);
+
+#endif
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define GAUSSIAN_HORIZONTAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+#ifdef USE_BLUR_SECTION
+
+uniform vec4 blur_section;
+
+#endif
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+#ifdef USE_BLUR_SECTION
+
+	uv_interp = blur_section.xy + uv_interp * blur_section.zw;
+	gl_Position.xy = (blur_section.xy + (gl_Position.xy * 0.5 + 0.5) * blur_section.zw) * 2.0 - 1.0;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/100-1.shader_test b/shaders/godot3.4/100-1.shader_test
new file mode 100644
index 0000000..fbec7cf
--- /dev/null
+++ b/shaders/godot3.4/100-1.shader_test
@@ -0,0 +1,1562 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTING
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTING
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/100-2.shader_test b/shaders/godot3.4/100-2.shader_test
new file mode 100644
index 0000000..19a89ce
--- /dev/null
+++ b/shaders/godot3.4/100-2.shader_test
@@ -0,0 +1,1583 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_radius;
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec2 m_ps = color_texpixel_size;
+	vec4 m_shadow = texture2D(color_texture, (uv + (vec2(-m_radius, -m_radius) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(-m_radius, 0.0) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(-m_radius, m_radius) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(0.0, -m_radius) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(0.0, m_radius) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(m_radius, -m_radius) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(m_radius, 0.0) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(m_radius, m_radius) * m_ps)));
+	m_shadow /= 8.0;
+	m_shadow *= m_modulate;
+	vec4 m_col = texture2D(color_texture, uv);
+	color = mix(m_shadow, m_col, m_col.a);
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_radius;
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/100-3.shader_test b/shaders/godot3.4/100-3.shader_test
new file mode 100644
index 0000000..e3b8e9a
--- /dev/null
+++ b/shaders/godot3.4/100-3.shader_test
@@ -0,0 +1,3290 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	m_albedo_tex *= color_interp;
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+	modelview = (camera_inverse_matrix * mat4(camera_matrix[0], camera_matrix[1], camera_matrix[2], world_transform[3]));
+	if ((projection_matrix[3][3] != 0.0))
+	{
+			{
+		float m_h = abs((1.0 / (2.0 * projection_matrix[1][1])));
+		float m_sc = (m_h * 2.0);
+		modelview[0] *= m_sc;
+		modelview[1] *= m_sc;
+		modelview[2] *= m_sc;
+	}
+;
+	}
+	else
+	{
+			{
+		float m_sc = -modelview[3].z;
+		modelview[0] *= m_sc;
+		modelview[1] *= m_sc;
+		modelview[2] *= m_sc;
+	}
+;
+	}
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/100-4.shader_test b/shaders/godot3.4/100-4.shader_test
new file mode 100644
index 0000000..112feb1
--- /dev/null
+++ b/shaders/godot3.4/100-4.shader_test
@@ -0,0 +1,208 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_MULTIPLIER
+#define USE_PANORAMA
+
+#define M_PI 3.14159265359
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+varying vec3 cube_interp;
+#else
+varying vec2 uv_interp;
+#endif
+/* clang-format on */
+
+#ifdef USE_ASYM_PANO
+uniform highp mat4 pano_transform;
+uniform highp vec4 asym_proj;
+#endif
+
+#ifdef USE_CUBEMAP
+uniform samplerCube source_cube; // texunit:0
+#else
+uniform sampler2D source; // texunit:0
+#endif
+
+#ifdef SEP_CBCR_TEXTURE
+uniform sampler2D CbCr; //texunit:1
+#endif
+
+varying vec2 uv2_interp;
+
+#ifdef USE_MULTIPLIER
+uniform float multiplier;
+#endif
+
+#ifdef USE_CUSTOM_ALPHA
+uniform float custom_alpha;
+#endif
+
+#if defined(USE_PANORAMA) || defined(USE_ASYM_PANO)
+uniform highp mat4 sky_transform;
+
+vec4 texturePanorama(sampler2D pano, vec3 normal) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return texture2D(pano, st);
+}
+
+#endif
+
+void main() {
+#ifdef USE_PANORAMA
+
+	vec3 cube_normal = normalize(cube_interp);
+	cube_normal.z = -cube_normal.z;
+	cube_normal = mat3(sky_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(source, cube_normal);
+
+#elif defined(USE_ASYM_PANO)
+
+	// When an asymmetrical projection matrix is used (applicable for stereoscopic rendering i.e. VR) we need to do this calculation per fragment to get a perspective correct result.
+	// Asymmetrical projection means the center of projection is no longer in the center of the screen but shifted.
+	// The Matrix[2][0] (= asym_proj.x) and Matrix[2][1] (= asym_proj.z) values are what provide the right shift in the image.
+
+	vec3 cube_normal;
+	cube_normal.z = -1.0;
+	cube_normal.x = (cube_normal.z * (-uv_interp.x - asym_proj.x)) / asym_proj.y;
+	cube_normal.y = (cube_normal.z * (-uv_interp.y - asym_proj.z)) / asym_proj.a;
+	cube_normal = mat3(sky_transform) * mat3(pano_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(source, normalize(cube_normal.xyz));
+
+#elif defined(USE_CUBEMAP)
+	vec4 color = textureCube(source_cube, normalize(cube_interp));
+#elif defined(SEP_CBCR_TEXTURE)
+	vec4 color;
+	color.r = texture2D(source, uv_interp).r;
+	color.gb = texture2D(CbCr, uv_interp).rg - vec2(0.5, 0.5);
+	color.a = 1.0;
+#else
+	vec4 color = texture2D(source, uv_interp);
+#endif
+
+#ifdef YCBCR_TO_RGB
+	// YCbCr -> RGB conversion
+
+	// Using BT.601, which is the standard for SDTV is provided as a reference
+	color.rgb = mat3(
+						vec3(1.00000, 1.00000, 1.00000),
+						vec3(0.00000, -0.34413, 1.77200),
+						vec3(1.40200, -0.71414, 0.00000)) *
+			color.rgb;
+#endif
+
+#ifdef USE_NO_ALPHA
+	color.a = 1.0;
+#endif
+
+#ifdef USE_CUSTOM_ALPHA
+	color.a = custom_alpha;
+#endif
+
+#ifdef USE_MULTIPLIER
+	color.rgb *= multiplier;
+#endif
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	color.rgb = mix(pow((color.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), color.rgb * (1.0 / 12.92), vec3(lessThan(color.rgb, vec3(0.04045))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_MULTIPLIER
+#define USE_PANORAMA
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+attribute vec3 cube_in; // attrib:4
+#else
+attribute vec2 uv_in; // attrib:4
+#endif
+
+attribute vec2 uv2_in; // attrib:5
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+varying vec3 cube_interp;
+#else
+varying vec2 uv_interp;
+#endif
+varying vec2 uv2_interp;
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_DISPLAY_TRANSFORM
+#endif
+
+#ifdef USE_COPY_SECTION
+uniform highp vec4 copy_section;
+#elif defined(USE_DISPLAY_TRANSFORM)
+uniform highp mat4 display_transform;
+#endif
+
+void main() {
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+	cube_interp = cube_in;
+#elif defined(USE_ASYM_PANO)
+	uv_interp = vertex_attrib.xy;
+#else
+	uv_interp = uv_in;
+#endif
+
+	uv2_interp = uv2_in;
+	gl_Position = vertex_attrib;
+
+#ifdef USE_COPY_SECTION
+	uv_interp = copy_section.xy + uv_interp * copy_section.zw;
+	gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0;
+#elif defined(USE_DISPLAY_TRANSFORM)
+	uv_interp = (display_transform * vec4(uv_in, 1.0, 1.0)).xy;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/100-5.shader_test b/shaders/godot3.4/100-5.shader_test
new file mode 100644
index 0000000..d2301e9
--- /dev/null
+++ b/shaders/godot3.4/100-5.shader_test
@@ -0,0 +1,3269 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_13
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_13
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/100-6.shader_test b/shaders/godot3.4/100-6.shader_test
new file mode 100644
index 0000000..c511fdc
--- /dev/null
+++ b/shaders/godot3.4/100-6.shader_test
@@ -0,0 +1,2449 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		m_albedo_tex*=color_interp;
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		alpha=(m_albedo.a*m_albedo_tex.a);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		if (!SHADER_IS_SRGB)
+		{
+					{
+			color_interp.rgb=mix(pow(((color_interp.rgb+vec3(0.055,0.055,0.055))*(1.0/(1.0+0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb*(1.0/12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+		}
+;
+		}
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+		modelview=(camera_inverse_matrix*mat4(camera_matrix[0], camera_matrix[1], camera_matrix[2], world_transform[3]));
+		if ((projection_matrix[3][3]!=0.0))
+		{
+					{
+			float m_h=abs((1.0/(2.0*projection_matrix[1][1])));
+			float m_sc=(m_h*2.0);
+			modelview[0]*=m_sc;
+			modelview[1]*=m_sc;
+			modelview[2]*=m_sc;
+		}
+;
+		}
+		else
+		{
+					{
+			float m_sc=-modelview[3].z;
+			modelview[0]*=m_sc;
+			modelview[1]*=m_sc;
+			modelview[2]*=m_sc;
+		}
+;
+		}
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/100-7.shader_test b/shaders/godot3.4/100-7.shader_test
new file mode 100644
index 0000000..7d2da2a
--- /dev/null
+++ b/shaders/godot3.4/100-7.shader_test
@@ -0,0 +1,2373 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define RENDER_DEPTH
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define RENDER_DEPTH
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/100.shader_test b/shaders/godot3.4/100.shader_test
new file mode 100644
index 0000000..26f1f61
--- /dev/null
+++ b/shaders/godot3.4/100.shader_test
@@ -0,0 +1,1564 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_ATTRIB_LIGHT_ANGLE
+#define SHADOW_USE_GRADIENT
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_ATTRIB_LIGHT_ANGLE
+#define SHADOW_USE_GRADIENT
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/103-1.shader_test b/shaders/godot3.4/103-1.shader_test
new file mode 100644
index 0000000..d5de2d8
--- /dev/null
+++ b/shaders/godot3.4/103-1.shader_test
@@ -0,0 +1,1574 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec2 m_offset;
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec2 m_ps = color_texpixel_size;
+	vec4 m_shadow = vec4(m_modulate.rgb, (texture2D(color_texture, (uv - (m_offset * m_ps))).a * m_modulate.a));
+	vec4 m_col = texture2D(color_texture, uv);
+	color = mix(m_shadow, m_col, m_col.a);
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec2 m_offset;
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/103-3.shader_test b/shaders/godot3.4/103-3.shader_test
new file mode 100644
index 0000000..1dbb139
--- /dev/null
+++ b/shaders/godot3.4/103-3.shader_test
@@ -0,0 +1,2425 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		m_albedo_tex*=color_interp;
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		alpha=(m_albedo.a*m_albedo_tex.a);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		if (!SHADER_IS_SRGB)
+		{
+					{
+			color_interp.rgb=mix(pow(((color_interp.rgb+vec3(0.055,0.055,0.055))*(1.0/(1.0+0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb*(1.0/12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+		}
+;
+		}
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/103-4.shader_test b/shaders/godot3.4/103-4.shader_test
new file mode 100644
index 0000000..f0d19b3
--- /dev/null
+++ b/shaders/godot3.4/103-4.shader_test
@@ -0,0 +1,2373 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_INSTANCING
+#define RENDER_DEPTH
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_INSTANCING
+#define RENDER_DEPTH
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/103-5.shader_test b/shaders/godot3.4/103-5.shader_test
new file mode 100644
index 0000000..02b9abd
--- /dev/null
+++ b/shaders/godot3.4/103-5.shader_test
@@ -0,0 +1,3261 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_LIGHTING
+#define BASE_PASS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_LIGHTING
+#define BASE_PASS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/103.shader_test b/shaders/godot3.4/103.shader_test
new file mode 100644
index 0000000..09fa0cb
--- /dev/null
+++ b/shaders/godot3.4/103.shader_test
@@ -0,0 +1,1570 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_ATTRIB_LIGHT_ANGLE
+#define USE_LIGHTING
+#define USE_SHADOWS
+#define SHADOW_USE_GRADIENT
+#define SHADOW_FILTER_PCF7
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_ATTRIB_LIGHT_ANGLE
+#define USE_LIGHTING
+#define USE_SHADOWS
+#define SHADOW_USE_GRADIENT
+#define SHADOW_FILTER_PCF7
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/106-1.shader_test b/shaders/godot3.4/106-1.shader_test
new file mode 100644
index 0000000..8d5e4e1
--- /dev/null
+++ b/shaders/godot3.4/106-1.shader_test
@@ -0,0 +1,1569 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	color = vec4(m_modulate.rgb, (texture2D(color_texture, uv).a * m_modulate.a));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/106-2.shader_test b/shaders/godot3.4/106-2.shader_test
new file mode 100644
index 0000000..c1f8823
--- /dev/null
+++ b/shaders/godot3.4/106-2.shader_test
@@ -0,0 +1,2415 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		alpha=(m_albedo.a*m_albedo_tex.a);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/106-3.shader_test b/shaders/godot3.4/106-3.shader_test
new file mode 100644
index 0000000..2bdeeaf
--- /dev/null
+++ b/shaders/godot3.4/106-3.shader_test
@@ -0,0 +1,89 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+uniform highp samplerCube source_cube; //texunit:0
+/* clang-format on */
+in vec2 uv_interp;
+
+uniform bool z_flip;
+uniform highp float z_far;
+uniform highp float z_near;
+uniform highp float bias;
+
+void main() {
+	highp vec3 normal = vec3(uv_interp * 2.0 - 1.0, 0.0);
+	/*
+	if (z_flip) {
+		normal.z = 0.5 - 0.5 * ((normal.x * normal.x) + (normal.y * normal.y));
+	} else {
+		normal.z = -0.5 + 0.5 * ((normal.x * normal.x) + (normal.y * normal.y));
+	}
+	*/
+
+	//normal.z = sqrt(1.0 - dot(normal.xy, normal.xy));
+	//normal.xy *= 1.0 + normal.z;
+
+	normal.z = 0.5 - 0.5 * ((normal.x * normal.x) + (normal.y * normal.y));
+	normal = normalize(normal);
+	/*
+	normal.z = 0.5;
+	normal = normalize(normal);
+	*/
+
+	if (!z_flip) {
+		normal.z = -normal.z;
+	}
+
+	//normal = normalize(vec3(uv_interp * 2.0 - 1.0, 1.0));
+	float depth = texture(source_cube, normal).r;
+
+	// absolute values for direction cosines, bigger value equals closer to basis axis
+	vec3 unorm = abs(normal);
+
+	if ((unorm.x >= unorm.y) && (unorm.x >= unorm.z)) {
+		// x code
+		unorm = normal.x > 0.0 ? vec3(1.0, 0.0, 0.0) : vec3(-1.0, 0.0, 0.0);
+	} else if ((unorm.y > unorm.x) && (unorm.y >= unorm.z)) {
+		// y code
+		unorm = normal.y > 0.0 ? vec3(0.0, 1.0, 0.0) : vec3(0.0, -1.0, 0.0);
+	} else if ((unorm.z > unorm.x) && (unorm.z > unorm.y)) {
+		// z code
+		unorm = normal.z > 0.0 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 0.0, -1.0);
+	} else {
+		// oh-no we messed up code
+		// has to be
+		unorm = vec3(1.0, 0.0, 0.0);
+	}
+
+	float depth_fix = 1.0 / dot(normal, unorm);
+
+	depth = 2.0 * depth - 1.0;
+	float linear_depth = 2.0 * z_near * z_far / (z_far + z_near - depth * (z_far - z_near));
+	gl_FragDepth = (linear_depth * depth_fix + bias) / z_far;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/106-4.shader_test b/shaders/godot3.4/106-4.shader_test
new file mode 100644
index 0000000..d2a4a19
--- /dev/null
+++ b/shaders/godot3.4/106-4.shader_test
@@ -0,0 +1,3259 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_LIGHTING
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_LIGHTING
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/106.shader_test b/shaders/godot3.4/106.shader_test
new file mode 100644
index 0000000..1fd27d1
--- /dev/null
+++ b/shaders/godot3.4/106.shader_test
@@ -0,0 +1,1562 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define SHADOW_USE_GRADIENT
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define SHADOW_USE_GRADIENT
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/109-1.shader_test b/shaders/godot3.4/109-1.shader_test
new file mode 100644
index 0000000..0208aa2
--- /dev/null
+++ b/shaders/godot3.4/109-1.shader_test
@@ -0,0 +1,1595 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_amount;
+uniform highp float m_radius;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	float m_r = m_radius;
+	vec2 m_ps = color_texpixel_size;
+	vec4 m_col = texture2D(color_texture, uv);
+	vec4 m_glow = m_col;
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, 0.0) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(0.0, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(0.0, m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, 0.0) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, m_r) * m_ps)));
+	m_r *= 2.0;
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, 0.0) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(0.0, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(0.0, m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, 0.0) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, m_r) * m_ps)));
+	m_glow /= 17.0;
+	m_glow *= m_amount;
+	m_col.rgb *= m_col.a;
+	color = (m_glow + m_col);
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_amount;
+uniform highp float m_radius;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/109-2.shader_test b/shaders/godot3.4/109-2.shader_test
new file mode 100644
index 0000000..c54da41
--- /dev/null
+++ b/shaders/godot3.4/109-2.shader_test
@@ -0,0 +1,2405 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+bool m_orthogonal;
+float m_grid_size;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		albedo=color_interp.rgb;
+		vec3 m_dir=(m_orthogonal?-vec3(0.0,0.0,1.0):view);
+		float m_angle_fade=abs(dot(m_dir, normal));
+		m_angle_fade=smoothstep(0.05, 0.2, m_angle_fade);
+		vec3 m_world_pos=(camera_matrix*vec4(vertex.xyz, 1.0)).xyz;
+		vec3 m_world_normal=(camera_matrix*vec4(normal, 0.0)).xyz;
+		vec3 m_camera_world_pos=camera_matrix[3].xyz;
+		vec3 m_camera_world_pos_on_plane=(m_camera_world_pos*(1.0-m_world_normal));
+		float m_dist_fade=(1.0-(distance(m_world_pos, m_camera_world_pos_on_plane)/m_grid_size));
+		m_dist_fade=smoothstep(0.02, 0.3, m_dist_fade);
+		alpha=((color_interp.a*m_dist_fade)*m_angle_fade);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+bool m_orthogonal;
+float m_grid_size;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		if (!SHADER_IS_SRGB)
+		{
+					{
+			color_interp.rgb=mix(pow(((color_interp.rgb+vec3(0.055,0.055,0.055))*(1.0/(1.0+0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb*(1.0/12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+		}
+;
+		}
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/109-3.shader_test b/shaders/godot3.4/109-3.shader_test
new file mode 100644
index 0000000..c27d690
--- /dev/null
+++ b/shaders/godot3.4/109-3.shader_test
@@ -0,0 +1,379 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_DUAL_PARABOLOID
+precision highp float;
+precision highp int;
+
+precision highp float;
+/* clang-format on */
+precision highp int;
+
+#ifdef USE_SOURCE_PANORAMA
+uniform sampler2D source_panorama; //texunit:0
+uniform float source_resolution;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+uniform sampler2DArray source_dual_paraboloid_array; //texunit:0
+uniform int source_array_index;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+uniform sampler2D source_dual_paraboloid; //texunit:0
+#endif
+
+#if defined(USE_SOURCE_DUAL_PARABOLOID) || defined(COMPUTE_IRRADIANCE)
+uniform float source_mip_level;
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+uniform samplerCube source_cube; //texunit:0
+#endif
+
+uniform int face_id;
+uniform float roughness;
+
+in highp vec2 uv_interp;
+
+layout(location = 0) out vec4 frag_color;
+
+#define M_PI 3.14159265359
+
+vec3 texelCoordToVec(vec2 uv, int faceID) {
+	mat3 faceUvVectors[6];
+	/*
+	// -x
+	faceUvVectors[1][0] = vec3(0.0, 0.0, 1.0);  // u -> +z
+	faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[1][2] = vec3(-1.0, 0.0, 0.0); // -x face
+
+	// +x
+	faceUvVectors[0][0] = vec3(0.0, 0.0, -1.0); // u -> -z
+	faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[0][2] = vec3(1.0, 0.0, 0.0);  // +x face
+
+	// -y
+	faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[3][1] = vec3(0.0, 0.0, -1.0); // v -> -z
+	faceUvVectors[3][2] = vec3(0.0, -1.0, 0.0); // -y face
+
+	// +y
+	faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[2][1] = vec3(0.0, 0.0, 1.0);  // v -> +z
+	faceUvVectors[2][2] = vec3(0.0, 1.0, 0.0);  // +y face
+
+	// -z
+	faceUvVectors[5][0] = vec3(-1.0, 0.0, 0.0); // u -> -x
+	faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[5][2] = vec3(0.0, 0.0, -1.0); // -z face
+
+	// +z
+	faceUvVectors[4][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[4][2] = vec3(0.0, 0.0, 1.0);  // +z face
+	*/
+
+	// -x
+	faceUvVectors[0][0] = vec3(0.0, 0.0, 1.0); // u -> +z
+	faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[0][2] = vec3(-1.0, 0.0, 0.0); // -x face
+
+	// +x
+	faceUvVectors[1][0] = vec3(0.0, 0.0, -1.0); // u -> -z
+	faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[1][2] = vec3(1.0, 0.0, 0.0); // +x face
+
+	// -y
+	faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[2][1] = vec3(0.0, 0.0, -1.0); // v -> -z
+	faceUvVectors[2][2] = vec3(0.0, -1.0, 0.0); // -y face
+
+	// +y
+	faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[3][1] = vec3(0.0, 0.0, 1.0); // v -> +z
+	faceUvVectors[3][2] = vec3(0.0, 1.0, 0.0); // +y face
+
+	// -z
+	faceUvVectors[4][0] = vec3(-1.0, 0.0, 0.0); // u -> -x
+	faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[4][2] = vec3(0.0, 0.0, -1.0); // -z face
+
+	// +z
+	faceUvVectors[5][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[5][2] = vec3(0.0, 0.0, 1.0); // +z face
+
+	// out = u * s_faceUv[0] + v * s_faceUv[1] + s_faceUv[2].
+	vec3 result = (faceUvVectors[faceID][0] * uv.x) + (faceUvVectors[faceID][1] * uv.y) + faceUvVectors[faceID][2];
+	return normalize(result);
+}
+
+vec3 ImportanceSampleGGX(vec2 Xi, float Roughness, vec3 N) {
+	float a = Roughness * Roughness; // DISNEY'S ROUGHNESS [see Burley'12 siggraph]
+
+	// Compute distribution direction
+	float Phi = 2.0 * M_PI * Xi.x;
+	float CosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));
+	float SinTheta = sqrt(1.0 - CosTheta * CosTheta);
+
+	// Convert to spherical direction
+	vec3 H;
+	H.x = SinTheta * cos(Phi);
+	H.y = SinTheta * sin(Phi);
+	H.z = CosTheta;
+
+	vec3 UpVector = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);
+	vec3 TangentX = normalize(cross(UpVector, N));
+	vec3 TangentY = cross(N, TangentX);
+
+	// Tangent to world space
+	return TangentX * H.x + TangentY * H.y + N * H.z;
+}
+
+float DistributionGGX(vec3 N, vec3 H, float roughness) {
+	float a = roughness * roughness;
+	float a2 = a * a;
+	float NdotH = max(dot(N, H), 0.0);
+	float NdotH2 = NdotH * NdotH;
+
+	float nom = a2;
+	float denom = (NdotH2 * (a2 - 1.0) + 1.0);
+	denom = M_PI * denom * denom;
+
+	return nom / denom;
+}
+
+// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html
+float GGX(float NdotV, float a) {
+	float k = a / 2.0;
+	return NdotV / (NdotV * (1.0 - k) + k);
+}
+
+// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html
+float G_Smith(float a, float nDotV, float nDotL) {
+	return GGX(nDotL, a * a) * GGX(nDotV, a * a);
+}
+
+float radicalInverse_VdC(uint bits) {
+	bits = (bits << 16u) | (bits >> 16u);
+	bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);
+	bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);
+	bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);
+	bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);
+	return float(bits) * 2.3283064365386963e-10; // / 0x100000000
+}
+
+vec2 Hammersley(uint i, uint N) {
+	return vec2(float(i) / float(N), radicalInverse_VdC(i));
+}
+
+#ifdef LOW_QUALITY
+
+#define SAMPLE_COUNT 64u
+#define SAMPLE_DELTA 0.1
+
+#else
+
+#define SAMPLE_COUNT 512u
+#define SAMPLE_DELTA 0.03
+
+#endif
+
+uniform bool z_flip;
+
+#ifdef USE_SOURCE_PANORAMA
+
+vec4 texturePanorama(vec3 normal, sampler2D pano, float mipLevel) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return textureLod(pano, st, mipLevel);
+}
+
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+
+vec4 textureDualParaboloidArray(vec3 normal) {
+	vec3 norm = normalize(normal);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z < 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(source_dual_paraboloid_array, vec3(norm.xy, float(source_array_index)), 0.0);
+}
+
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+vec4 textureDualParaboloid(vec3 normal) {
+	vec3 norm = normalize(normal);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z < 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(source_dual_paraboloid, norm.xy, source_mip_level);
+}
+
+#endif
+
+void main() {
+#ifdef USE_DUAL_PARABOLOID
+
+	vec3 N = vec3(uv_interp * 2.0 - 1.0, 0.0);
+	N.z = 0.5 - 0.5 * ((N.x * N.x) + (N.y * N.y));
+	N = normalize(N);
+
+	if (z_flip) {
+		N.y = -N.y; //y is flipped to improve blending between both sides
+		N.z = -N.z;
+	}
+
+#else
+	vec2 uv = (uv_interp * 2.0) - 1.0;
+	vec3 N = texelCoordToVec(uv, face_id);
+#endif
+	//vec4 color = color_interp;
+
+#ifdef USE_DIRECT_WRITE
+
+#ifdef USE_SOURCE_PANORAMA
+
+	frag_color = vec4(texturePanorama(N, source_panorama, 0.0).rgb, 1.0);
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+
+	frag_color = vec4(textureDualParaboloidArray(N).rgb, 1.0);
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+
+	frag_color = vec4(textureDualParaboloid(N).rgb, 1.0);
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+
+	N.y = -N.y;
+	frag_color = vec4(texture(N, source_cube).rgb, 1.0);
+#endif
+
+#else // USE_DIRECT_WRITE
+
+#ifdef COMPUTE_IRRADIANCE
+
+	vec3 irradiance = vec3(0.0);
+
+	// tangent space calculation from origin point
+	vec3 UpVector = vec3(0.0, 1.0, 0.0);
+	vec3 TangentX = cross(UpVector, N);
+	vec3 TangentY = cross(N, TangentX);
+
+	float num_samples = 0.0f;
+
+	for (float phi = 0.0; phi < 2.0 * M_PI; phi += SAMPLE_DELTA) {
+		for (float theta = 0.0; theta < 0.5 * M_PI; theta += SAMPLE_DELTA) {
+			// Calculate sample positions
+			vec3 tangentSample = vec3(sin(theta) * cos(phi), sin(theta) * sin(phi), cos(theta));
+			// Find world vector of sample position
+			vec3 H = tangentSample.x * TangentX + tangentSample.y * TangentY + tangentSample.z * N;
+
+			vec2 st = vec2(atan(H.x, H.z), acos(H.y));
+			if (st.x < 0.0) {
+				st.x += M_PI * 2.0;
+			}
+			st /= vec2(M_PI * 2.0, M_PI);
+
+			irradiance += textureLod(source_panorama, st, source_mip_level).rgb * cos(theta) * sin(theta);
+			num_samples++;
+		}
+	}
+	irradiance = M_PI * irradiance * (1.0 / float(num_samples));
+
+	frag_color = vec4(irradiance, 1.0);
+
+#else
+
+	vec4 sum = vec4(0.0, 0.0, 0.0, 0.0);
+
+	for (uint sampleNum = 0u; sampleNum < SAMPLE_COUNT; sampleNum++) {
+		vec2 xi = Hammersley(sampleNum, SAMPLE_COUNT);
+
+		vec3 H = normalize(ImportanceSampleGGX(xi, roughness, N));
+		vec3 V = N;
+		vec3 L = normalize(2.0 * dot(V, H) * H - V);
+
+		float ndotl = max(dot(N, L), 0.0);
+
+		if (ndotl > 0.0) {
+
+#ifdef USE_SOURCE_PANORAMA
+			float D = DistributionGGX(N, H, roughness);
+			float ndoth = max(dot(N, H), 0.0);
+			float hdotv = max(dot(H, V), 0.0);
+			float pdf = D * ndoth / (4.0 * hdotv) + 0.0001;
+
+			float saTexel = 4.0 * M_PI / (6.0 * source_resolution * source_resolution);
+			float saSample = 1.0 / (float(SAMPLE_COUNT) * pdf + 0.0001);
+
+			float mipLevel = roughness == 0.0 ? 0.0 : 0.5 * log2(saSample / saTexel);
+
+			sum.rgb += texturePanorama(L, source_panorama, mipLevel).rgb * ndotl;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+			sum.rgb += textureDualParaboloidArray(L).rgb * ndotl;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+			sum.rgb += textureDualParaboloid(L).rgb * ndotl;
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+			L.y = -L.y;
+			sum.rgb += textureLod(source_cube, L, 0.0).rgb * ndotl;
+#endif
+			sum.a += ndotl;
+		}
+	}
+	sum /= sum.a;
+
+	frag_color = vec4(sum.rgb, 1.0);
+
+#endif // COMPUTE_IRRADIANCE
+#endif // USE_DIRECT_WRITE
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_DUAL_PARABOLOID
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+/* clang-format on */
+
+layout(location = 4) in highp vec2 uv;
+
+out highp vec2 uv_interp;
+
+void main() {
+	uv_interp = uv;
+	gl_Position = vec4(vertex, 0, 1);
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/109.shader_test b/shaders/godot3.4/109.shader_test
new file mode 100644
index 0000000..7c6b7b0
--- /dev/null
+++ b/shaders/godot3.4/109.shader_test
@@ -0,0 +1,1564 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define SHADOW_USE_GRADIENT
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define SHADOW_USE_GRADIENT
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/112.shader_test b/shaders/godot3.4/112.shader_test
new file mode 100644
index 0000000..3a93a06
--- /dev/null
+++ b/shaders/godot3.4/112.shader_test
@@ -0,0 +1,1573 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_amount;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec2 m_uv = (uv * 0.05);
+	float m_a = fract((sin(dot(uv, vec2(12.9898,78.233))) * 438.545));
+	vec4 m_col = texture2D(color_texture, uv);
+	m_col.a *= pow(m_a, m_amount);
+	color = m_col;
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_amount;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/115-1.shader_test b/shaders/godot3.4/115-1.shader_test
new file mode 100644
index 0000000..ba56f83
--- /dev/null
+++ b/shaders/godot3.4/115-1.shader_test
@@ -0,0 +1,493 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FILMIC_TONEMAPPER
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+
+uniform highp sampler2D source; //texunit:0
+
+uniform float exposure;
+uniform float white;
+
+#ifdef USE_AUTO_EXPOSURE
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+#endif
+
+#if defined(USE_GLOW_LEVEL1) || defined(USE_GLOW_LEVEL2) || defined(USE_GLOW_LEVEL3) || defined(USE_GLOW_LEVEL4) || defined(USE_GLOW_LEVEL5) || defined(USE_GLOW_LEVEL6) || defined(USE_GLOW_LEVEL7)
+#define USING_GLOW // only use glow when at least one glow level is selected
+
+uniform highp sampler2D source_glow; //texunit:2
+uniform highp float glow_intensity;
+#endif
+
+#ifdef USE_BCS
+uniform vec3 bcs;
+#endif
+
+#ifdef USE_FXAA
+uniform vec2 pixel_size;
+#endif
+
+#ifdef USE_SHARPENING
+uniform float sharpen_intensity;
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+uniform sampler2D color_correction; //texunit:3
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef USE_GLOW_FILTER_BICUBIC
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0f / 6.0f) * (a * (a * (-a + 3.0f) - 3.0f) + 1.0f);
+}
+
+float w1(float a) {
+	return (1.0f / 6.0f) * (a * a * (3.0f * a - 6.0f) + 4.0f);
+}
+
+float w2(float a) {
+	return (1.0f / 6.0f) * (a * (a * (-3.0f * a + 3.0f) + 3.0f) + 1.0f);
+}
+
+float w3(float a) {
+	return (1.0f / 6.0f) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0f + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0f + w3(a) / (w2(a) + w3(a));
+}
+
+uniform ivec2 glow_texture_size;
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv, int p_lod) {
+	float lod = float(p_lod);
+	vec2 tex_size = vec2(glow_texture_size >> p_lod);
+	vec2 texel_size = vec2(1.0f) / tex_size;
+
+	uv = uv * tex_size + vec2(0.5f);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5f)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5f)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5f)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5f)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * textureLod(tex, p0, lod) + g1x * textureLod(tex, p1, lod))) +
+			(g1(fuv.y) * (g0x * textureLod(tex, p2, lod) + g1x * textureLod(tex, p3, lod)));
+}
+
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2D_bicubic(m_tex, m_uv, m_lod)
+#else
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) textureLod(m_tex, m_uv, float(m_lod))
+#endif
+
+vec3 tonemap_filmic(vec3 color, float white) {
+	// exposure bias: input scale (color *= bias, white *= bias) to make the brightness consistent with other tonemappers
+	// also useful to scale the input to the range that the tonemapper is designed for (some require very high input values)
+	// has no effect on the curve's general shape or visual properties
+	const float exposure_bias = 2.0f;
+	const float A = 0.22f * exposure_bias * exposure_bias; // bias baked into constants for performance
+	const float B = 0.30f * exposure_bias;
+	const float C = 0.10f;
+	const float D = 0.20f;
+	const float E = 0.01f;
+	const float F = 0.30f;
+
+	vec3 color_tonemapped = ((color * (A * color + C * B) + D * E) / (color * (A * color + B) + D * F)) - E / F;
+	float white_tonemapped = ((white * (A * white + C * B) + D * E) / (white * (A * white + B) + D * F)) - E / F;
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+vec3 tonemap_aces(vec3 color, float white) {
+	const float exposure_bias = 0.85f;
+	const float A = 2.51f * exposure_bias * exposure_bias;
+	const float B = 0.03f * exposure_bias;
+	const float C = 2.43f * exposure_bias * exposure_bias;
+	const float D = 0.59f * exposure_bias;
+	const float E = 0.14f;
+
+	vec3 color_tonemapped = (color * (A * color + B)) / (color * (C * color + D) + E);
+	float white_tonemapped = (white * (A * white + B)) / (white * (C * white + D) + E);
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+// Adapted from https://github.com/TheRealMJP/BakingLab/blob/master/BakingLab/ACES.hlsl
+// (MIT License).
+vec3 tonemap_aces_fitted(vec3 color, float white) {
+	const float exposure_bias = 1.8f;
+	const float A = 0.0245786f;
+	const float B = 0.000090537f;
+	const float C = 0.983729f;
+	const float D = 0.432951f;
+	const float E = 0.238081f;
+
+	// Exposure bias baked into transform to save shader instructions. Equivalent to `color *= exposure_bias`
+	const mat3 rgb_to_rrt = mat3(
+			vec3(0.59719f * exposure_bias, 0.35458f * exposure_bias, 0.04823f * exposure_bias),
+			vec3(0.07600f * exposure_bias, 0.90834f * exposure_bias, 0.01566f * exposure_bias),
+			vec3(0.02840f * exposure_bias, 0.13383f * exposure_bias, 0.83777f * exposure_bias));
+
+	const mat3 odt_to_rgb = mat3(
+			vec3(1.60475f, -0.53108f, -0.07367f),
+			vec3(-0.10208f, 1.10813f, -0.00605f),
+			vec3(-0.00327f, -0.07276f, 1.07602f));
+
+	color *= rgb_to_rrt;
+	vec3 color_tonemapped = (color * (color + A) - B) / (color * (C * color + D) + E);
+	color_tonemapped *= odt_to_rgb;
+
+	white *= exposure_bias;
+	float white_tonemapped = (white * (white + A) - B) / (white * (C * white + D) + E);
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+vec3 tonemap_reinhard(vec3 color, float white) {
+	return clamp((white * color + color) / (color * white + white), vec3(0.0f), vec3(1.0f));
+}
+
+vec3 linear_to_srgb(vec3 color) { // convert linear rgb to srgb, assumes clamped input in range [0;1]
+	const vec3 a = vec3(0.055f);
+	return mix((vec3(1.0f) + a) * pow(color.rgb, vec3(1.0f / 2.4f)) - a, 12.92f * color.rgb, lessThan(color.rgb, vec3(0.0031308f)));
+}
+
+// inputs are LINEAR, If Linear tonemapping is selected no transform is performed else outputs are clamped [0, 1] color
+vec3 apply_tonemapping(vec3 color, float white) {
+	// Ensure color values are positive.
+	// They can be negative in the case of negative lights, which leads to undesired behavior.
+#if defined(USE_REINHARD_TONEMAPPER) || defined(USE_FILMIC_TONEMAPPER) || defined(USE_ACES_TONEMAPPER) || defined(USE_ACES_FITTED_TONEMAPPER)
+	color = max(vec3(0.0f), color);
+#endif
+
+#ifdef USE_REINHARD_TONEMAPPER
+	return tonemap_reinhard(color, white);
+#endif
+
+#ifdef USE_FILMIC_TONEMAPPER
+	return tonemap_filmic(color, white);
+#endif
+
+#ifdef USE_ACES_TONEMAPPER
+	return tonemap_aces(color, white);
+#endif
+
+#ifdef USE_ACES_FITTED_TONEMAPPER
+	return tonemap_aces_fitted(color, white);
+#endif
+
+	return color; // no other selected -> linear: no color transform applied
+}
+
+vec3 gather_glow(sampler2D tex, vec2 uv) { // sample all selected glow levels
+	vec3 glow = vec3(0.0f);
+
+#ifdef USE_GLOW_LEVEL1
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 1).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL2
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 2).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL3
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 3).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL4
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 4).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL5
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 5).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL6
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 6).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL7
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 7).rgb;
+#endif
+
+	return glow;
+}
+
+vec3 apply_glow(vec3 color, vec3 glow) { // apply glow using the selected blending mode
+#ifdef USE_GLOW_REPLACE
+	color = glow;
+#endif
+
+#ifdef USE_GLOW_SCREEN
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0f));
+	color = max((color + glow) - (color * glow), vec3(0.0));
+#endif
+
+#ifdef USE_GLOW_SOFTLIGHT
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0));
+	glow = glow * vec3(0.5f) + vec3(0.5f);
+
+	color.r = (glow.r <= 0.5f) ? (color.r - (1.0f - 2.0f * glow.r) * color.r * (1.0f - color.r)) : (((glow.r > 0.5f) && (color.r <= 0.25f)) ? (color.r + (2.0f * glow.r - 1.0f) * (4.0f * color.r * (4.0f * color.r + 1.0f) * (color.r - 1.0f) + 7.0f * color.r)) : (color.r + (2.0f * glow.r - 1.0f) * (sqrt(color.r) - color.r)));
+	color.g = (glow.g <= 0.5f) ? (color.g - (1.0f - 2.0f * glow.g) * color.g * (1.0f - color.g)) : (((glow.g > 0.5f) && (color.g <= 0.25f)) ? (color.g + (2.0f * glow.g - 1.0f) * (4.0f * color.g * (4.0f * color.g + 1.0f) * (color.g - 1.0f) + 7.0f * color.g)) : (color.g + (2.0f * glow.g - 1.0f) * (sqrt(color.g) - color.g)));
+	color.b = (glow.b <= 0.5f) ? (color.b - (1.0f - 2.0f * glow.b) * color.b * (1.0f - color.b)) : (((glow.b > 0.5f) && (color.b <= 0.25f)) ? (color.b + (2.0f * glow.b - 1.0f) * (4.0f * color.b * (4.0f * color.b + 1.0f) * (color.b - 1.0f) + 7.0f * color.b)) : (color.b + (2.0f * glow.b - 1.0f) * (sqrt(color.b) - color.b)));
+#endif
+
+#if !defined(USE_GLOW_SCREEN) && !defined(USE_GLOW_SOFTLIGHT) && !defined(USE_GLOW_REPLACE) // no other selected -> additive
+	color += glow;
+#endif
+
+	return color;
+}
+
+vec3 apply_bcs(vec3 color, vec3 bcs) {
+	color = mix(vec3(0.0f), color, bcs.x);
+	color = mix(vec3(0.5f), color, bcs.y);
+	color = mix(vec3(dot(vec3(1.0f), color) * 0.33333f), color, bcs.z);
+
+	return color;
+}
+
+vec3 apply_color_correction(vec3 color, sampler2D correction_tex) {
+	color.r = texture(correction_tex, vec2(color.r, 0.0f)).r;
+	color.g = texture(correction_tex, vec2(color.g, 0.0f)).g;
+	color.b = texture(correction_tex, vec2(color.b, 0.0f)).b;
+
+	return color;
+}
+
+vec3 apply_fxaa(vec3 color, float exposure, vec2 uv_interp, vec2 pixel_size) {
+	const float FXAA_REDUCE_MIN = (1.0 / 128.0);
+	const float FXAA_REDUCE_MUL = (1.0 / 8.0);
+	const float FXAA_SPAN_MAX = 8.0;
+
+	vec3 rgbNW = textureLod(source, uv_interp + vec2(-1.0, -1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbNE = textureLod(source, uv_interp + vec2(1.0, -1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbSW = textureLod(source, uv_interp + vec2(-1.0, 1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbSE = textureLod(source, uv_interp + vec2(1.0, 1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbM = color;
+	vec3 luma = vec3(0.299, 0.587, 0.114);
+	float lumaNW = dot(rgbNW, luma);
+	float lumaNE = dot(rgbNE, luma);
+	float lumaSW = dot(rgbSW, luma);
+	float lumaSE = dot(rgbSE, luma);
+	float lumaM = dot(rgbM, luma);
+	float lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));
+	float lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));
+
+	vec2 dir;
+	dir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));
+	dir.y = ((lumaNW + lumaSW) - (lumaNE + lumaSE));
+
+	float dirReduce = max((lumaNW + lumaNE + lumaSW + lumaSE) *
+					(0.25 * FXAA_REDUCE_MUL),
+			FXAA_REDUCE_MIN);
+
+	float rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);
+	dir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX),
+				  max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX),
+						  dir * rcpDirMin)) *
+			pixel_size;
+
+	vec3 rgbA = 0.5 * exposure * (textureLod(source, uv_interp + dir * (1.0 / 3.0 - 0.5), 0.0).xyz + textureLod(source, uv_interp + dir * (2.0 / 3.0 - 0.5), 0.0).xyz);
+	vec3 rgbB = rgbA * 0.5 + 0.25 * exposure * (textureLod(source, uv_interp + dir * -0.5, 0.0).xyz + textureLod(source, uv_interp + dir * 0.5, 0.0).xyz);
+
+	float lumaB = dot(rgbB, luma);
+	if ((lumaB < lumaMin) || (lumaB > lumaMax)) {
+		return rgbA;
+	} else {
+		return rgbB;
+	}
+}
+
+// From http://alex.vlachos.com/graphics/Alex_Vlachos_Advanced_VR_Rendering_GDC2015.pdf
+// and https://www.shadertoy.com/view/MslGR8 (5th one starting from the bottom)
+// NOTE: `frag_coord` is in pixels (i.e. not normalized UV).
+vec3 screen_space_dither(vec2 frag_coord) {
+	// Iestyn's RGB dither (7 asm instructions) from Portal 2 X360, slightly modified for VR.
+	vec3 dither = vec3(dot(vec2(171.0, 231.0), frag_coord));
+	dither.rgb = fract(dither.rgb / vec3(103.0, 71.0, 97.0));
+
+	// Subtract 0.5 to avoid slightly brightening the whole viewport.
+	return (dither.rgb - 0.5) / 255.0;
+}
+
+// Adapted from https://github.com/DadSchoorse/vkBasalt/blob/b929505ba71dea21d6c32a5a59f2d241592b30c4/src/shader/cas.frag.glsl
+// (MIT license).
+vec3 apply_cas(vec3 color, float exposure, vec2 uv_interp, float sharpen_intensity) {
+	// Fetch a 3x3 neighborhood around the pixel 'e',
+	//  a b c
+	//  d(e)f
+	//  g h i
+	vec3 a = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, -1)).rgb * exposure;
+	vec3 b = textureLodOffset(source, uv_interp, 0.0, ivec2(0, -1)).rgb * exposure;
+	vec3 c = textureLodOffset(source, uv_interp, 0.0, ivec2(1, -1)).rgb * exposure;
+	vec3 d = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, 0)).rgb * exposure;
+	vec3 e = color.rgb;
+	vec3 f = textureLodOffset(source, uv_interp, 0.0, ivec2(1, 0)).rgb * exposure;
+	vec3 g = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, 1)).rgb * exposure;
+	vec3 h = textureLodOffset(source, uv_interp, 0.0, ivec2(0, 1)).rgb * exposure;
+	vec3 i = textureLodOffset(source, uv_interp, 0.0, ivec2(1, 1)).rgb * exposure;
+
+	// Soft min and max.
+	//  a b c             b
+	//  d e f * 0.5  +  d e f * 0.5
+	//  g h i             h
+	// These are 2.0x bigger (factored out the extra multiply).
+	vec3 min_rgb = min(min(min(d, e), min(f, b)), h);
+	vec3 min_rgb2 = min(min(min(min_rgb, a), min(g, c)), i);
+	min_rgb += min_rgb2;
+
+	vec3 max_rgb = max(max(max(d, e), max(f, b)), h);
+	vec3 max_rgb2 = max(max(max(max_rgb, a), max(g, c)), i);
+	max_rgb += max_rgb2;
+
+	// Smooth minimum distance to signal limit divided by smooth max.
+	vec3 rcp_max_rgb = vec3(1.0) / max_rgb;
+	vec3 amp_rgb = clamp((min(min_rgb, 2.0 - max_rgb) * rcp_max_rgb), 0.0, 1.0);
+
+	// Shaping amount of sharpening.
+	amp_rgb = inversesqrt(amp_rgb);
+	float peak = 8.0 - 3.0 * sharpen_intensity;
+	vec3 w_rgb = -vec3(1) / (amp_rgb * peak);
+	vec3 rcp_weight_rgb = vec3(1.0) / (1.0 + 4.0 * w_rgb);
+
+	//                          0 w 0
+	//  Filter shape:           w 1 w
+	//                          0 w 0
+	vec3 window = b + d + f + h;
+
+	return max(vec3(0.0), (window * w_rgb + e) * rcp_weight_rgb);
+}
+
+void main() {
+	vec3 color = textureLod(source, uv_interp, 0.0f).rgb;
+
+	// Exposure
+	float full_exposure = exposure;
+
+#ifdef USE_AUTO_EXPOSURE
+	full_exposure /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+
+	color *= full_exposure;
+
+#ifdef USE_FXAA
+	// FXAA must be applied before tonemapping.
+	color = apply_fxaa(color, full_exposure, uv_interp, pixel_size);
+#endif
+
+#ifdef USE_SHARPENING
+	// CAS gives best results when applied after tonemapping, but `source` isn't tonemapped.
+	// As a workaround, apply CAS before tonemapping so that the image still has a correct appearance when tonemapped.
+	color = apply_cas(color, full_exposure, uv_interp, sharpen_intensity);
+#endif
+
+#ifdef USE_DEBANDING
+	// For best results, debanding should be done before tonemapping.
+	// Otherwise, we're adding noise to an already-quantized image.
+	color += screen_space_dither(gl_FragCoord.xy);
+#endif
+
+	// Early Tonemap & SRGB Conversion; note that Linear tonemapping does not clamp to [0, 1]; some operations below expect a [0, 1] range and will clamp
+	color = apply_tonemapping(color, white);
+
+#ifdef KEEP_3D_LINEAR
+	// leave color as is (-> don't convert to SRGB)
+#else
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0f));
+	color = linear_to_srgb(color); // regular linear -> SRGB conversion (needs clamped values)
+#endif
+
+	// Glow
+
+#ifdef USING_GLOW
+	vec3 glow = gather_glow(source_glow, uv_interp) * glow_intensity;
+
+	// high dynamic range -> SRGB
+	glow = apply_tonemapping(glow, white);
+	glow = clamp(glow, vec3(0.0f), vec3(1.0f));
+	glow = linear_to_srgb(glow);
+
+	color = apply_glow(color, glow);
+#endif
+
+	// Additional effects
+
+#ifdef USE_BCS
+	color = apply_bcs(color, bcs);
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+	color = apply_color_correction(color, color_correction);
+#endif
+
+	frag_color = vec4(color, 1.0f);
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FILMIC_TONEMAPPER
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+void main() {
+	gl_Position = vertex_attrib;
+
+	uv_interp = uv_in;
+
+#ifdef V_FLIP
+	uv_interp.y = 1.0f - uv_interp.y;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/115.shader_test b/shaders/godot3.4/115.shader_test
new file mode 100644
index 0000000..c1ff8eb
--- /dev/null
+++ b/shaders/godot3.4/115.shader_test
@@ -0,0 +1,1586 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec4 m_outline_color;
+uniform highp float m_outline_width;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_col = texture2D(color_texture, uv);
+	vec2 m_ps = color_texpixel_size;
+	float m_a;
+	float m_maxa = m_col.a;
+	float m_mina = m_col.a;
+	m_a = texture2D(color_texture, (uv + (vec2(0.0, -m_outline_width) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(0.0, m_outline_width) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(-m_outline_width, 0.0) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(m_outline_width, 0.0) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	color = mix(m_col, m_outline_color, (m_maxa - m_mina));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec4 m_outline_color;
+uniform highp float m_outline_width;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/118-1.shader_test b/shaders/godot3.4/118-1.shader_test
new file mode 100644
index 0000000..43dbb81
--- /dev/null
+++ b/shaders/godot3.4/118-1.shader_test
@@ -0,0 +1,2417 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_grow;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_grow;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+		vertex.xyz+=(normal*m_grow);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/118.shader_test b/shaders/godot3.4/118.shader_test
new file mode 100644
index 0000000..1d1a903
--- /dev/null
+++ b/shaders/godot3.4/118.shader_test
@@ -0,0 +1,1588 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_aura_width;
+uniform highp vec4 m_aura_color;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_col = texture2D(color_texture, uv);
+	vec2 m_ps = color_texpixel_size;
+	float m_a;
+	float m_maxa = m_col.a;
+	float m_mina = m_col.a;
+	m_a = texture2D(color_texture, (uv + (vec2(0.0, -m_aura_width) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(0.0, m_aura_width) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(-m_aura_width, 0.0) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(m_aura_width, 0.0) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_col.rgb *= m_col.a;
+	color = m_col;
+	color.rgb += (m_aura_color.rgb * (m_maxa - m_mina));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_aura_width;
+uniform highp vec4 m_aura_color;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/121.shader_test b/shaders/godot3.4/121.shader_test
new file mode 100644
index 0000000..53319f2
--- /dev/null
+++ b/shaders/godot3.4/121.shader_test
@@ -0,0 +1,1574 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_radius;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_col = texture2D(color_texture, uv);
+	vec2 m_ps = color_texpixel_size;
+	m_col += texture2D(color_texture, (uv + (vec2(0.0, -m_radius) * m_ps)));
+	m_col += texture2D(color_texture, (uv + (vec2(0.0, m_radius) * m_ps)));
+	m_col += texture2D(color_texture, (uv + (vec2(-m_radius, 0.0) * m_ps)));
+	m_col += texture2D(color_texture, (uv + (vec2(m_radius, 0.0) * m_ps)));
+	m_col /= 5.0;
+	color = m_col;
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_radius;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/124.shader_test b/shaders/godot3.4/124.shader_test
new file mode 100644
index 0000000..d907a29
--- /dev/null
+++ b/shaders/godot3.4/124.shader_test
@@ -0,0 +1,1573 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_fattyness;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec2 m_ruv = (uv - vec2(0.5,0.5));
+	vec2 m_dir = normalize(m_ruv);
+	float m_len = length(m_ruv);
+	m_len = (pow((m_len * 2.0), m_fattyness) * 0.5);
+	m_ruv = (m_len * m_dir);
+	vec4 m_col = texture2D(color_texture, (m_ruv + vec2(0.5,0.5)));
+	color = m_col;
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_fattyness;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/127.shader_test b/shaders/godot3.4/127.shader_test
new file mode 100644
index 0000000..aee3cb2
--- /dev/null
+++ b/shaders/godot3.4/127.shader_test
@@ -0,0 +1,1581 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_radius;
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec2 m_ps = color_texpixel_size;
+	vec4 m_shadow = texture2D(color_texture, (uv + (vec2(-m_radius, -m_radius) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(-m_radius, 0.0) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(-m_radius, m_radius) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(0.0, -m_radius) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(0.0, m_radius) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(m_radius, -m_radius) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(m_radius, 0.0) * m_ps)));
+	m_shadow += texture2D(color_texture, (uv + (vec2(m_radius, m_radius) * m_ps)));
+	m_shadow /= 8.0;
+	m_shadow *= m_modulate;
+	vec4 m_col = texture2D(color_texture, uv);
+	color = mix(m_shadow, m_col, m_col.a);
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_radius;
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/13-1.shader_test b/shaders/godot3.4/13-1.shader_test
new file mode 100644
index 0000000..616d413
--- /dev/null
+++ b/shaders/godot3.4/13-1.shader_test
@@ -0,0 +1,3216 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/13-10.shader_test b/shaders/godot3.4/13-10.shader_test
new file mode 100644
index 0000000..53b82d1
--- /dev/null
+++ b/shaders/godot3.4/13-10.shader_test
@@ -0,0 +1,1575 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_fattyness;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec2 m_ruv = (uv - vec2(0.5,0.5));
+	vec2 m_dir = normalize(m_ruv);
+	float m_len = length(m_ruv);
+	m_len = (pow((m_len * 2.0), m_fattyness) * 0.5);
+	m_ruv = (m_len * m_dir);
+	vec4 m_col = texture2D(color_texture, (m_ruv + vec2(0.5,0.5)));
+	color = m_col;
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_fattyness;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/13-13.shader_test b/shaders/godot3.4/13-13.shader_test
new file mode 100644
index 0000000..78108f7
--- /dev/null
+++ b/shaders/godot3.4/13-13.shader_test
@@ -0,0 +1,381 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_SOURCE_DUAL_PARABOLOID_ARRAY
+#define USE_DUAL_PARABOLOID
+precision highp float;
+precision highp int;
+
+precision highp float;
+/* clang-format on */
+precision highp int;
+
+#ifdef USE_SOURCE_PANORAMA
+uniform sampler2D source_panorama; //texunit:0
+uniform float source_resolution;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+uniform sampler2DArray source_dual_paraboloid_array; //texunit:0
+uniform int source_array_index;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+uniform sampler2D source_dual_paraboloid; //texunit:0
+#endif
+
+#if defined(USE_SOURCE_DUAL_PARABOLOID) || defined(COMPUTE_IRRADIANCE)
+uniform float source_mip_level;
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+uniform samplerCube source_cube; //texunit:0
+#endif
+
+uniform int face_id;
+uniform float roughness;
+
+in highp vec2 uv_interp;
+
+layout(location = 0) out vec4 frag_color;
+
+#define M_PI 3.14159265359
+
+vec3 texelCoordToVec(vec2 uv, int faceID) {
+	mat3 faceUvVectors[6];
+	/*
+	// -x
+	faceUvVectors[1][0] = vec3(0.0, 0.0, 1.0);  // u -> +z
+	faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[1][2] = vec3(-1.0, 0.0, 0.0); // -x face
+
+	// +x
+	faceUvVectors[0][0] = vec3(0.0, 0.0, -1.0); // u -> -z
+	faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[0][2] = vec3(1.0, 0.0, 0.0);  // +x face
+
+	// -y
+	faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[3][1] = vec3(0.0, 0.0, -1.0); // v -> -z
+	faceUvVectors[3][2] = vec3(0.0, -1.0, 0.0); // -y face
+
+	// +y
+	faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[2][1] = vec3(0.0, 0.0, 1.0);  // v -> +z
+	faceUvVectors[2][2] = vec3(0.0, 1.0, 0.0);  // +y face
+
+	// -z
+	faceUvVectors[5][0] = vec3(-1.0, 0.0, 0.0); // u -> -x
+	faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[5][2] = vec3(0.0, 0.0, -1.0); // -z face
+
+	// +z
+	faceUvVectors[4][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[4][2] = vec3(0.0, 0.0, 1.0);  // +z face
+	*/
+
+	// -x
+	faceUvVectors[0][0] = vec3(0.0, 0.0, 1.0); // u -> +z
+	faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[0][2] = vec3(-1.0, 0.0, 0.0); // -x face
+
+	// +x
+	faceUvVectors[1][0] = vec3(0.0, 0.0, -1.0); // u -> -z
+	faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[1][2] = vec3(1.0, 0.0, 0.0); // +x face
+
+	// -y
+	faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[2][1] = vec3(0.0, 0.0, -1.0); // v -> -z
+	faceUvVectors[2][2] = vec3(0.0, -1.0, 0.0); // -y face
+
+	// +y
+	faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[3][1] = vec3(0.0, 0.0, 1.0); // v -> +z
+	faceUvVectors[3][2] = vec3(0.0, 1.0, 0.0); // +y face
+
+	// -z
+	faceUvVectors[4][0] = vec3(-1.0, 0.0, 0.0); // u -> -x
+	faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[4][2] = vec3(0.0, 0.0, -1.0); // -z face
+
+	// +z
+	faceUvVectors[5][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[5][2] = vec3(0.0, 0.0, 1.0); // +z face
+
+	// out = u * s_faceUv[0] + v * s_faceUv[1] + s_faceUv[2].
+	vec3 result = (faceUvVectors[faceID][0] * uv.x) + (faceUvVectors[faceID][1] * uv.y) + faceUvVectors[faceID][2];
+	return normalize(result);
+}
+
+vec3 ImportanceSampleGGX(vec2 Xi, float Roughness, vec3 N) {
+	float a = Roughness * Roughness; // DISNEY'S ROUGHNESS [see Burley'12 siggraph]
+
+	// Compute distribution direction
+	float Phi = 2.0 * M_PI * Xi.x;
+	float CosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));
+	float SinTheta = sqrt(1.0 - CosTheta * CosTheta);
+
+	// Convert to spherical direction
+	vec3 H;
+	H.x = SinTheta * cos(Phi);
+	H.y = SinTheta * sin(Phi);
+	H.z = CosTheta;
+
+	vec3 UpVector = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);
+	vec3 TangentX = normalize(cross(UpVector, N));
+	vec3 TangentY = cross(N, TangentX);
+
+	// Tangent to world space
+	return TangentX * H.x + TangentY * H.y + N * H.z;
+}
+
+float DistributionGGX(vec3 N, vec3 H, float roughness) {
+	float a = roughness * roughness;
+	float a2 = a * a;
+	float NdotH = max(dot(N, H), 0.0);
+	float NdotH2 = NdotH * NdotH;
+
+	float nom = a2;
+	float denom = (NdotH2 * (a2 - 1.0) + 1.0);
+	denom = M_PI * denom * denom;
+
+	return nom / denom;
+}
+
+// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html
+float GGX(float NdotV, float a) {
+	float k = a / 2.0;
+	return NdotV / (NdotV * (1.0 - k) + k);
+}
+
+// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html
+float G_Smith(float a, float nDotV, float nDotL) {
+	return GGX(nDotL, a * a) * GGX(nDotV, a * a);
+}
+
+float radicalInverse_VdC(uint bits) {
+	bits = (bits << 16u) | (bits >> 16u);
+	bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);
+	bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);
+	bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);
+	bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);
+	return float(bits) * 2.3283064365386963e-10; // / 0x100000000
+}
+
+vec2 Hammersley(uint i, uint N) {
+	return vec2(float(i) / float(N), radicalInverse_VdC(i));
+}
+
+#ifdef LOW_QUALITY
+
+#define SAMPLE_COUNT 64u
+#define SAMPLE_DELTA 0.1
+
+#else
+
+#define SAMPLE_COUNT 512u
+#define SAMPLE_DELTA 0.03
+
+#endif
+
+uniform bool z_flip;
+
+#ifdef USE_SOURCE_PANORAMA
+
+vec4 texturePanorama(vec3 normal, sampler2D pano, float mipLevel) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return textureLod(pano, st, mipLevel);
+}
+
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+
+vec4 textureDualParaboloidArray(vec3 normal) {
+	vec3 norm = normalize(normal);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z < 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(source_dual_paraboloid_array, vec3(norm.xy, float(source_array_index)), 0.0);
+}
+
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+vec4 textureDualParaboloid(vec3 normal) {
+	vec3 norm = normalize(normal);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z < 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(source_dual_paraboloid, norm.xy, source_mip_level);
+}
+
+#endif
+
+void main() {
+#ifdef USE_DUAL_PARABOLOID
+
+	vec3 N = vec3(uv_interp * 2.0 - 1.0, 0.0);
+	N.z = 0.5 - 0.5 * ((N.x * N.x) + (N.y * N.y));
+	N = normalize(N);
+
+	if (z_flip) {
+		N.y = -N.y; //y is flipped to improve blending between both sides
+		N.z = -N.z;
+	}
+
+#else
+	vec2 uv = (uv_interp * 2.0) - 1.0;
+	vec3 N = texelCoordToVec(uv, face_id);
+#endif
+	//vec4 color = color_interp;
+
+#ifdef USE_DIRECT_WRITE
+
+#ifdef USE_SOURCE_PANORAMA
+
+	frag_color = vec4(texturePanorama(N, source_panorama, 0.0).rgb, 1.0);
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+
+	frag_color = vec4(textureDualParaboloidArray(N).rgb, 1.0);
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+
+	frag_color = vec4(textureDualParaboloid(N).rgb, 1.0);
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+
+	N.y = -N.y;
+	frag_color = vec4(texture(N, source_cube).rgb, 1.0);
+#endif
+
+#else // USE_DIRECT_WRITE
+
+#ifdef COMPUTE_IRRADIANCE
+
+	vec3 irradiance = vec3(0.0);
+
+	// tangent space calculation from origin point
+	vec3 UpVector = vec3(0.0, 1.0, 0.0);
+	vec3 TangentX = cross(UpVector, N);
+	vec3 TangentY = cross(N, TangentX);
+
+	float num_samples = 0.0f;
+
+	for (float phi = 0.0; phi < 2.0 * M_PI; phi += SAMPLE_DELTA) {
+		for (float theta = 0.0; theta < 0.5 * M_PI; theta += SAMPLE_DELTA) {
+			// Calculate sample positions
+			vec3 tangentSample = vec3(sin(theta) * cos(phi), sin(theta) * sin(phi), cos(theta));
+			// Find world vector of sample position
+			vec3 H = tangentSample.x * TangentX + tangentSample.y * TangentY + tangentSample.z * N;
+
+			vec2 st = vec2(atan(H.x, H.z), acos(H.y));
+			if (st.x < 0.0) {
+				st.x += M_PI * 2.0;
+			}
+			st /= vec2(M_PI * 2.0, M_PI);
+
+			irradiance += textureLod(source_panorama, st, source_mip_level).rgb * cos(theta) * sin(theta);
+			num_samples++;
+		}
+	}
+	irradiance = M_PI * irradiance * (1.0 / float(num_samples));
+
+	frag_color = vec4(irradiance, 1.0);
+
+#else
+
+	vec4 sum = vec4(0.0, 0.0, 0.0, 0.0);
+
+	for (uint sampleNum = 0u; sampleNum < SAMPLE_COUNT; sampleNum++) {
+		vec2 xi = Hammersley(sampleNum, SAMPLE_COUNT);
+
+		vec3 H = normalize(ImportanceSampleGGX(xi, roughness, N));
+		vec3 V = N;
+		vec3 L = normalize(2.0 * dot(V, H) * H - V);
+
+		float ndotl = max(dot(N, L), 0.0);
+
+		if (ndotl > 0.0) {
+
+#ifdef USE_SOURCE_PANORAMA
+			float D = DistributionGGX(N, H, roughness);
+			float ndoth = max(dot(N, H), 0.0);
+			float hdotv = max(dot(H, V), 0.0);
+			float pdf = D * ndoth / (4.0 * hdotv) + 0.0001;
+
+			float saTexel = 4.0 * M_PI / (6.0 * source_resolution * source_resolution);
+			float saSample = 1.0 / (float(SAMPLE_COUNT) * pdf + 0.0001);
+
+			float mipLevel = roughness == 0.0 ? 0.0 : 0.5 * log2(saSample / saTexel);
+
+			sum.rgb += texturePanorama(L, source_panorama, mipLevel).rgb * ndotl;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+			sum.rgb += textureDualParaboloidArray(L).rgb * ndotl;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+			sum.rgb += textureDualParaboloid(L).rgb * ndotl;
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+			L.y = -L.y;
+			sum.rgb += textureLod(source_cube, L, 0.0).rgb * ndotl;
+#endif
+			sum.a += ndotl;
+		}
+	}
+	sum /= sum.a;
+
+	frag_color = vec4(sum.rgb, 1.0);
+
+#endif // COMPUTE_IRRADIANCE
+#endif // USE_DIRECT_WRITE
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_SOURCE_DUAL_PARABOLOID_ARRAY
+#define USE_DUAL_PARABOLOID
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+/* clang-format on */
+
+layout(location = 4) in highp vec2 uv;
+
+out highp vec2 uv_interp;
+
+void main() {
+	uv_interp = uv;
+	gl_Position = vec4(vertex, 0, 1);
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/13-16.shader_test b/shaders/godot3.4/13-16.shader_test
new file mode 100644
index 0000000..b1abffc
--- /dev/null
+++ b/shaders/godot3.4/13-16.shader_test
@@ -0,0 +1,3261 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp vec4 m_emission;
+uniform highp float m_emission_energy;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+uniform highp sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	vec3 m_emission_tex = texture2D(m_texture_emission, m_base_uv).rgb;
+	emission = ((m_emission.rgb + m_emission_tex) * m_emission_energy);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp vec4 m_emission;
+uniform highp float m_emission_energy;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+uniform highp sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/13-24.shader_test b/shaders/godot3.4/13-24.shader_test
new file mode 100644
index 0000000..491abbd
--- /dev/null
+++ b/shaders/godot3.4/13-24.shader_test
@@ -0,0 +1,281 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define LINEAR_TO_SRGB
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#if !defined(USE_GLES_OVER_GL)
+precision mediump float;
+#endif
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+in vec3 cube_interp;
+#else
+in vec2 uv_interp;
+#endif
+
+#ifdef USE_ASYM_PANO
+uniform highp mat4 pano_transform;
+uniform highp vec4 asym_proj;
+#endif
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_TEXTURE3D
+#endif
+#ifdef USE_TEXTURE2DARRAY
+#endif
+#ifdef YCBCR_TO_SRGB
+#endif
+
+#ifdef USE_CUBEMAP
+uniform samplerCube source_cube; //texunit:0
+#elif defined(USE_TEXTURE3D)
+uniform sampler3D source_3d; //texunit:0
+#elif defined(USE_TEXTURE2DARRAY)
+uniform sampler2DArray source_2d_array; //texunit:0
+#else
+uniform sampler2D source; //texunit:0
+#endif
+
+#ifdef SEP_CBCR_TEXTURE
+uniform sampler2D CbCr; //texunit:1
+#endif
+
+/* clang-format on */
+
+#ifdef USE_LOD
+uniform float mip_level;
+#endif
+
+#if defined(USE_TEXTURE3D) || defined(USE_TEXTURE2DARRAY)
+uniform float layer;
+#endif
+
+#ifdef USE_MULTIPLIER
+uniform float multiplier;
+#endif
+
+#if defined(USE_PANORAMA) || defined(USE_ASYM_PANO)
+uniform highp mat4 sky_transform;
+
+vec4 texturePanorama(vec3 normal, sampler2D pano) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return textureLod(pano, st, 0.0);
+}
+
+#endif
+
+uniform vec2 pixel_size;
+
+in vec2 uv2_interp;
+
+#ifdef USE_BCS
+
+uniform vec3 bcs;
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+uniform sampler2D color_correction; //texunit:1
+
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+void main() {
+	//vec4 color = color_interp;
+
+#ifdef USE_PANORAMA
+
+	vec3 cube_normal = normalize(cube_interp);
+	cube_normal.z = -cube_normal.z;
+	cube_normal = mat3(sky_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(cube_normal, source);
+
+#elif defined(USE_ASYM_PANO)
+
+	// When an asymmetrical projection matrix is used (applicable for stereoscopic rendering i.e. VR) we need to do this calculation per fragment to get a perspective correct result.
+	// Asymmetrical projection means the center of projection is no longer in the center of the screen but shifted.
+	// The Matrix[2][0] (= asym_proj.x) and Matrix[2][1] (= asym_proj.z) values are what provide the right shift in the image.
+
+	vec3 cube_normal;
+	cube_normal.z = -1.0;
+	cube_normal.x = (cube_normal.z * (-uv_interp.x - asym_proj.x)) / asym_proj.y;
+	cube_normal.y = (cube_normal.z * (-uv_interp.y - asym_proj.z)) / asym_proj.a;
+	cube_normal = mat3(sky_transform) * mat3(pano_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(normalize(cube_normal.xyz), source);
+
+#elif defined(USE_CUBEMAP)
+	vec4 color = texture(source_cube, normalize(cube_interp));
+
+#elif defined(USE_TEXTURE3D)
+	vec4 color = textureLod(source_3d, vec3(uv_interp, layer), 0.0);
+#elif defined(USE_TEXTURE2DARRAY)
+	vec4 color = textureLod(source_2d_array, vec3(uv_interp, layer), 0.0);
+#elif defined(SEP_CBCR_TEXTURE)
+	vec4 color;
+	color.r = textureLod(source, uv_interp, 0.0).r;
+	color.gb = textureLod(CbCr, uv_interp, 0.0).rg - vec2(0.5, 0.5);
+	color.a = 1.0;
+#else
+#ifdef USE_LOD
+	vec4 color = textureLod(source, uv_interp, mip_level);
+#else
+	vec4 color = textureLod(source, uv_interp, 0.0);
+#endif
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+
+#elif defined(YCBCR_TO_SRGB)
+
+	// YCbCr -> SRGB conversion
+	// Using BT.709 which is the standard for HDTV
+	color.rgb = mat3(
+						vec3(1.00000, 1.00000, 1.00000),
+						vec3(0.00000, -0.18732, 1.85560),
+						vec3(1.57481, -0.46813, 0.00000)) *
+			color.rgb;
+
+#endif
+
+#ifdef SRGB_TO_LINEAR
+
+	color.rgb = mix(pow((color.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), color.rgb * (1.0 / 12.92), lessThan(color.rgb, vec3(0.04045)));
+#endif
+
+#ifdef DEBUG_GRADIENT
+	color.rg = uv_interp;
+	color.b = 0.0;
+#endif
+
+#ifdef DISABLE_ALPHA
+	color.a = 1.0;
+#endif
+
+#ifdef GAUSSIAN_HORIZONTAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(2.0, 0.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(-1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(-2.0, 0.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(0.0, 1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, 2.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(0.0, -1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, -2.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef USE_BCS
+
+	color.rgb = mix(vec3(0.0), color.rgb, bcs.x);
+	color.rgb = mix(vec3(0.5), color.rgb, bcs.y);
+	color.rgb = mix(vec3(dot(vec3(1.0), color.rgb) * 0.33333), color.rgb, bcs.z);
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+	color.r = texture(color_correction, vec2(color.r, 0.0)).r;
+	color.g = texture(color_correction, vec2(color.g, 0.0)).g;
+	color.b = texture(color_correction, vec2(color.b, 0.0)).b;
+#endif
+
+#ifdef USE_MULTIPLIER
+	color.rgb *= multiplier;
+#endif
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define LINEAR_TO_SRGB
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+layout(location = 4) in vec3 cube_in;
+#else
+layout(location = 4) in vec2 uv_in;
+#endif
+layout(location = 5) in vec2 uv2_in;
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+out vec3 cube_interp;
+#else
+out vec2 uv_interp;
+#endif
+
+out vec2 uv2_interp;
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_DISPLAY_TRANSFORM
+#endif
+
+#ifdef USE_COPY_SECTION
+
+uniform vec4 copy_section;
+
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+uniform highp mat4 display_transform;
+
+#endif
+
+void main() {
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+	cube_interp = cube_in;
+#elif defined(USE_ASYM_PANO)
+	uv_interp = vertex_attrib.xy;
+#else
+	uv_interp = uv_in;
+#ifdef V_FLIP
+	uv_interp.y = 1.0 - uv_interp.y;
+#endif
+
+#endif
+	uv2_interp = uv2_in;
+	gl_Position = vertex_attrib;
+
+#ifdef USE_COPY_SECTION
+
+	uv_interp = copy_section.xy + uv_interp * copy_section.zw;
+	gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0;
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+	uv_interp = (display_transform * vec4(uv_in, 1.0, 1.0)).xy;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/13-47.shader_test b/shaders/godot3.4/13-47.shader_test
new file mode 100644
index 0000000..69d704b
--- /dev/null
+++ b/shaders/godot3.4/13-47.shader_test
@@ -0,0 +1,98 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+uniform highp sampler2D source_exposure; //texunit:0
+/* clang-format on */
+
+#ifdef EXPOSURE_BEGIN
+
+uniform highp ivec2 source_render_size;
+uniform highp ivec2 target_size;
+
+#endif
+
+#ifdef EXPOSURE_END
+
+uniform highp sampler2D prev_exposure; //texunit:1
+uniform highp float exposure_adjust;
+uniform highp float min_luminance;
+uniform highp float max_luminance;
+
+#endif
+
+layout(location = 0) out highp float exposure;
+
+void main() {
+#ifdef EXPOSURE_BEGIN
+
+	ivec2 src_pos = ivec2(gl_FragCoord.xy) * source_render_size / target_size;
+
+#if 1
+	//more precise and expensive, but less jittery
+	ivec2 next_pos = (ivec2(gl_FragCoord.xy) + ivec2(1)) * source_render_size / target_size;
+	next_pos = max(next_pos, src_pos + ivec2(1)); //so it at least reads one pixel
+	highp vec3 source_color = vec3(0.0);
+	for (int i = src_pos.x; i < next_pos.x; i++) {
+		for (int j = src_pos.y; j < next_pos.y; j++) {
+			source_color += texelFetch(source_exposure, ivec2(i, j), 0).rgb;
+		}
+	}
+
+	source_color /= float((next_pos.x - src_pos.x) * (next_pos.y - src_pos.y));
+#else
+	highp vec3 source_color = texelFetch(source_exposure, src_pos, 0).rgb;
+
+#endif
+
+	exposure = max(source_color.r, max(source_color.g, source_color.b));
+
+#else
+
+	ivec2 coord = ivec2(gl_FragCoord.xy);
+	exposure = texelFetch(source_exposure, coord * 3 + ivec2(0, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 2), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 2), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 2), 0).r;
+	exposure *= (1.0 / 9.0);
+
+#ifdef EXPOSURE_END
+
+#ifdef EXPOSURE_FORCE_SET
+	//will stay as is
+#else
+	highp float prev_lum = texelFetch(prev_exposure, ivec2(0, 0), 0).r; //1 pixel previous exposure
+	exposure = clamp(prev_lum + (exposure - prev_lum) * exposure_adjust, min_luminance, max_luminance);
+
+#endif //EXPOSURE_FORCE_SET
+
+#endif //EXPOSURE_END
+
+#endif //EXPOSURE_BEGIN
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+
+void main() {
+	gl_Position = vertex_attrib;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/13-6.shader_test b/shaders/godot3.4/13-6.shader_test
new file mode 100644
index 0000000..72ac3da
--- /dev/null
+++ b/shaders/godot3.4/13-6.shader_test
@@ -0,0 +1,521 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+// any code here is never executed, stuff is filled just so it works
+
+#if defined(USE_MATERIAL)
+
+layout(std140) uniform UniformData {
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+float m_emission_sphere_radius;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+
+#endif
+uniform sampler2D m_color_ramp;
+uniform sampler2D m_trail_size_modifier;
+uniform sampler2D m_scale_texture;
+
+
+void main() {
+
+	{
+
+
+	}
+
+	{
+
+
+	}
+}
+/* clang-format on */
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 color;
+/* clang-format on */
+layout(location = 1) in highp vec4 velocity_active;
+layout(location = 2) in highp vec4 custom;
+layout(location = 3) in highp vec4 xform_1;
+layout(location = 4) in highp vec4 xform_2;
+layout(location = 5) in highp vec4 xform_3;
+
+struct Attractor {
+	vec3 pos;
+	vec3 dir;
+	float radius;
+	float eat_radius;
+	float strength;
+	float attenuation;
+};
+
+#define MAX_ATTRACTORS 64
+
+uniform bool emitting;
+uniform float system_phase;
+uniform float prev_system_phase;
+uniform int total_particles;
+uniform float explosiveness;
+uniform float randomness;
+uniform float time;
+uniform float delta;
+
+uniform int attractor_count;
+uniform Attractor attractors[MAX_ATTRACTORS];
+uniform bool clear;
+uniform uint cycle;
+uniform float lifetime;
+uniform mat4 emission_transform;
+uniform uint random_seed;
+
+out highp vec4 out_color; //tfb:
+out highp vec4 out_velocity_active; //tfb:
+out highp vec4 out_custom; //tfb:
+out highp vec4 out_xform_1; //tfb:
+out highp vec4 out_xform_2; //tfb:
+out highp vec4 out_xform_3; //tfb:
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:0
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+float m_emission_sphere_radius;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_color_ramp;
+uniform sampler2D m_trail_size_modifier;
+uniform sampler2D m_scale_texture;
+
+uint m_hash(uint m_x)
+	{
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=((m_x>>16u)^m_x);
+return m_x;	}
+
+float m_rand_from_seed(inout uint m_seed)
+	{
+		int m_k;
+		int m_s=int(m_seed);
+		if ((m_s==0))
+		{
+			m_s=305420679;
+		}
+		m_k=(m_s/127773);
+		m_s=((16807*(m_s-(m_k*127773)))-(2836*m_k));
+		if ((m_s<0))
+		{
+			m_s+=2147483647;
+		}
+		m_seed=uint(m_s);
+return (float((m_seed%65536u))/65535.0);	}
+
+float m_rand_from_seed_m1_p1(inout uint m_seed)
+	{
+return ((m_rand_from_seed(m_seed)*2.0)-1.0);	}
+
+
+/* clang-format on */
+
+uint hash(uint x) {
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = (x >> uint(16)) ^ x;
+	return x;
+}
+
+void main() {
+#ifdef PARTICLES_COPY
+
+	out_color = color;
+	out_velocity_active = velocity_active;
+	out_custom = custom;
+	out_xform_1 = xform_1;
+	out_xform_2 = xform_2;
+	out_xform_3 = xform_3;
+
+#else
+
+	bool apply_forces = true;
+	bool apply_velocity = true;
+	float local_delta = delta;
+
+	float mass = 1.0;
+
+	float restart_phase = float(gl_VertexID) / float(total_particles);
+
+	if (randomness > 0.0) {
+		uint seed = cycle;
+		if (restart_phase >= system_phase) {
+			seed -= uint(1);
+		}
+		seed *= uint(total_particles);
+		seed += uint(gl_VertexID);
+		float random = float(hash(seed) % uint(65536)) / 65536.0;
+		restart_phase += randomness * random * 1.0 / float(total_particles);
+	}
+
+	restart_phase *= (1.0 - explosiveness);
+	bool restart = false;
+	bool shader_active = velocity_active.a > 0.5;
+
+	if (system_phase > prev_system_phase) {
+		// restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed
+
+		if (restart_phase >= prev_system_phase && restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+
+	} else if (delta > 0.0) {
+		if (restart_phase >= prev_system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (1.0 - restart_phase + system_phase) * lifetime;
+#endif
+		} else if (restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+	}
+
+	uint current_cycle = cycle;
+
+	if (system_phase < restart_phase) {
+		current_cycle -= uint(1);
+	}
+
+	uint particle_number = current_cycle * uint(total_particles) + uint(gl_VertexID);
+	int index = int(gl_VertexID);
+
+	if (restart) {
+		shader_active = emitting;
+	}
+
+	mat4 xform;
+
+#if defined(ENABLE_KEEP_DATA)
+	if (clear) {
+#else
+	if (clear || restart) {
+#endif
+		out_color = vec4(1.0);
+		out_velocity_active = vec4(0.0);
+		out_custom = vec4(0.0);
+		if (!restart)
+			shader_active = false;
+
+		xform = mat4(
+				vec4(1.0, 0.0, 0.0, 0.0),
+				vec4(0.0, 1.0, 0.0, 0.0),
+				vec4(0.0, 0.0, 1.0, 0.0),
+				vec4(0.0, 0.0, 0.0, 1.0));
+	} else {
+		out_color = color;
+		out_velocity_active = velocity_active;
+		out_custom = custom;
+		xform = transpose(mat4(xform_1, xform_2, xform_3, vec4(vec3(0.0), 1.0)));
+	}
+
+	if (shader_active) {
+		//execute shader
+
+		{
+			/* clang-format off */
+	{
+		uint m_base_number=(particle_number/uint(m_trail_divisor));
+		uint m_alt_seed=m_hash(((m_base_number+1u)+random_seed));
+		float m_angle_rand=m_rand_from_seed(m_alt_seed);
+		float m_scale_rand=m_rand_from_seed(m_alt_seed);
+		float m_hue_rot_rand=m_rand_from_seed(m_alt_seed);
+		float m_anim_offset_rand=m_rand_from_seed(m_alt_seed);
+		float m_pi=3.14159;
+		float m_degree_to_rad=(m_pi/180.0);
+		bool m_restart=false;
+		float m_tv=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			m_restart=true;
+			m_tv=1.0;
+		}
+;
+		}
+		if ((restart||m_restart))
+		{
+					{
+			uint m_alt_restart_seed=m_hash(((m_base_number+301184u)+random_seed));
+			float m_tex_linear_velocity=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_offset=0.0;
+			float m_spread_rad=(m_spread*m_degree_to_rad);
+					{
+			float m_angle1_rad=(m_rand_from_seed_m1_p1(m_alt_restart_seed)*m_spread_rad);
+			m_angle1_rad+=((m_direction.x!=0.0)?atan(m_direction.y, m_direction.x):(sign(m_direction.y)*(m_pi/2.0)));
+			vec3 m_rot=vec3(cos(m_angle1_rad), sin(m_angle1_rad), 0.0);
+			out_velocity_active.xyz=((m_rot*m_initial_linear_velocity)*mix(1.0, m_rand_from_seed(m_alt_restart_seed), m_initial_linear_velocity_random));
+		}
+;
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.y=0.0;
+			out_custom.w=(1.0-(m_lifetime_randomness*m_rand_from_seed(m_alt_restart_seed)));
+			out_custom.z=((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random));
+			float m_s=((m_rand_from_seed(m_alt_restart_seed)*2.0)-1.0);
+			float m_t=((m_rand_from_seed(m_alt_restart_seed)*2.0)*m_pi);
+			float m_radius=(m_emission_sphere_radius*sqrt((1.0-(m_s*m_s))));
+			xform[3].xyz=vec3((m_radius*cos(m_t)), (m_radius*sin(m_t)), (m_emission_sphere_radius*m_s));
+			out_velocity_active.xyz=(emission_transform*vec4(out_velocity_active.xyz, 0.0)).xyz;
+			xform=(emission_transform*xform);
+			out_velocity_active.xyz.z=0.0;
+			xform[3].z=0.0;
+		}
+;
+		}
+		else
+		{
+					{
+			out_custom.y+=(local_delta/lifetime);
+			m_tv=(out_custom.y/out_custom.w);
+			float m_tex_linear_velocity=0.0;
+			float m_tex_orbit_velocity=0.0;
+			float m_tex_angular_velocity=0.0;
+			float m_tex_linear_accel=0.0;
+			float m_tex_radial_accel=0.0;
+			float m_tex_tangent_accel=0.0;
+			float m_tex_damping=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_speed=0.0;
+			float m_tex_anim_offset=0.0;
+			vec3 m_force=m_gravity;
+			vec3 m_pos=xform[3].xyz;
+			m_pos.z=0.0;
+			m_force+=((length(out_velocity_active.xyz)>0.0)?((normalize(out_velocity_active.xyz)*(m_linear_accel+m_tex_linear_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_linear_accel_random)):vec3(0.0,0.0,0.0));
+			vec3 m_org=emission_transform[3].xyz;
+			vec3 m_diff=(m_pos-m_org);
+			m_force+=((length(m_diff)>0.0)?((normalize(m_diff)*(m_radial_accel+m_tex_radial_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_radial_accel_random)):vec3(0.0,0.0,0.0));
+			m_force+=((length(m_diff.yx)>0.0)?(vec3(normalize((m_diff.yx*vec2(-1.0,1.0))), 0.0)*((m_tangent_accel+m_tex_tangent_accel)*mix(1.0, m_rand_from_seed(m_alt_seed), m_tangent_accel_random))):vec3(0.0,0.0,0.0));
+			out_velocity_active.xyz+=(m_force*local_delta);
+			float m_orbit_amount=((m_orbit_velocity+m_tex_orbit_velocity)*mix(1.0, m_rand_from_seed(m_alt_seed), m_orbit_velocity_random));
+			if ((m_orbit_amount!=0.0))
+			{
+							{
+				float m_ang=(((m_orbit_amount*local_delta)*m_pi)*2.0);
+				mat2 m_rot=mat2(vec2(cos(m_ang), -sin(m_ang)), vec2(sin(m_ang), cos(m_ang)));
+				xform[3].xy-=m_diff.xy;
+				xform[3].xy+=(m_rot*m_diff.xy);
+			}
+;
+			}
+			if (((m_damping+m_tex_damping)>0.0))
+			{
+							{
+				float m_v=length(out_velocity_active.xyz);
+				float m_damp=((m_damping+m_tex_damping)*mix(1.0, m_rand_from_seed(m_alt_seed), m_damping_random));
+				m_v-=(m_damp*local_delta);
+				if ((m_v<0.0))
+				{
+									{
+					out_velocity_active.xyz=vec3(0.0,0.0,0.0);
+				}
+;
+				}
+				else
+				{
+									{
+					out_velocity_active.xyz=(normalize(out_velocity_active.xyz)*m_v);
+				}
+;
+				}
+			}
+;
+			}
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			m_base_angle+=(((out_custom.y*lifetime)*(m_angular_velocity+m_tex_angular_velocity))*mix(1.0, ((m_rand_from_seed(m_alt_seed)*2.0)-1.0), m_angular_velocity_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.z=(((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random))+((out_custom.y*(m_anim_speed+m_tex_anim_speed))*mix(1.0, m_rand_from_seed(m_alt_seed), m_anim_speed_random)));
+		}
+;
+		}
+		float m_tex_scale=textureLod(m_scale_texture, vec2(m_tv, 0.0), 0.0).r;
+		float m_tex_hue_variation=0.0;
+		float m_hue_rot_angle=((((m_hue_variation+m_tex_hue_variation)*m_pi)*2.0)*mix(1.0, ((m_hue_rot_rand*2.0)-1.0), m_hue_variation_random));
+		float m_hue_rot_c=cos(m_hue_rot_angle);
+		float m_hue_rot_s=sin(m_hue_rot_angle);
+		mat4 m_hue_rot_mat=((mat4(0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.0,0.0,0.0,1.0)+(mat4(0.701,-0.587,-0.114,0.0,-0.299,0.413,-0.114,0.0,-0.3,-0.588,0.886,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_c))+(mat4(0.168,0.33,-0.497,0.0,-0.328,0.035,0.292,0.0,1.25,-1.05,-0.203,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_s));
+		out_color=((m_hue_rot_mat*textureLod(m_color_ramp, vec2(m_tv, 0.0), 0.0))*m_color_value);
+		xform[0]=vec4(cos(out_custom.x), -sin(out_custom.x), 0.0, 0.0);
+		xform[1]=vec4(sin(out_custom.x), cos(out_custom.x), 0.0, 0.0);
+		xform[2]=vec4(0.0,0.0,1.0,0.0);
+		float m_base_scale=(m_tex_scale*mix(m_scale, 1.0, (m_scale_random*m_scale_rand)));
+		if ((m_base_scale<1e-06))
+		{
+					{
+			m_base_scale=1e-06;
+		}
+;
+		}
+		if ((m_trail_divisor>1))
+		{
+					{
+			m_base_scale*=textureLod(m_trail_size_modifier, vec2((float((int(particle_number)%m_trail_divisor))/float((m_trail_divisor-1))), 0.0), 0.0).r;
+		}
+;
+		}
+		xform[0].xyz*=m_base_scale;
+		xform[1].xyz*=m_base_scale;
+		xform[2].xyz*=m_base_scale;
+		out_velocity_active.xyz.z=0.0;
+		xform[3].z=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			shader_active=false;
+		}
+;
+		}
+	}
+
+
+			/* clang-format on */
+		}
+
+#if !defined(DISABLE_FORCE)
+
+		if (false) {
+			vec3 force = vec3(0.0);
+			for (int i = 0; i < attractor_count; i++) {
+				vec3 rel_vec = xform[3].xyz - attractors[i].pos;
+				float dist = length(rel_vec);
+				if (attractors[i].radius < dist)
+					continue;
+				if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) {
+					out_velocity_active.a = 0.0;
+				}
+
+				rel_vec = normalize(rel_vec);
+
+				float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation);
+
+				if (attractors[i].dir == vec3(0.0)) {
+					//towards center
+					force += attractors[i].strength * rel_vec * attenuation * mass;
+				} else {
+					force += attractors[i].strength * attractors[i].dir * attenuation * mass;
+				}
+			}
+
+			out_velocity_active.xyz += force * local_delta;
+		}
+#endif
+
+#if !defined(DISABLE_VELOCITY)
+
+		if (true) {
+			xform[3].xyz += out_velocity_active.xyz * local_delta;
+		}
+#endif
+	} else {
+		xform = mat4(0.0);
+	}
+
+	xform = transpose(xform);
+
+	out_velocity_active.a = mix(0.0, 1.0, shader_active);
+
+	out_xform_1 = xform[0];
+	out_xform_2 = xform[1];
+	out_xform_3 = xform[2];
+
+#endif //PARTICLES_COPY
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/13-69.shader_test b/shaders/godot3.4/13-69.shader_test
new file mode 100644
index 0000000..7f589f1
--- /dev/null
+++ b/shaders/godot3.4/13-69.shader_test
@@ -0,0 +1,330 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define GAUSSIAN_VERTICAL
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+uniform sampler2D source_color; //texunit:0
+
+#ifdef SSAO_MERGE
+uniform sampler2D source_ssao; //texunit:1
+#endif
+
+uniform float lod;
+uniform vec2 pixel_size;
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef SSAO_MERGE
+
+uniform vec4 ssao_color;
+
+#endif
+
+#if defined(GLOW_GAUSSIAN_HORIZONTAL) || defined(GLOW_GAUSSIAN_VERTICAL)
+
+uniform float glow_strength;
+
+#endif
+
+#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
+
+#ifdef DOF_QUALITY_LOW
+const int dof_kernel_size = 5;
+const int dof_kernel_from = 2;
+const float dof_kernel[5] = float[](0.153388, 0.221461, 0.250301, 0.221461, 0.153388);
+#endif
+
+#ifdef DOF_QUALITY_MEDIUM
+const int dof_kernel_size = 11;
+const int dof_kernel_from = 5;
+const float dof_kernel[11] = float[](0.055037, 0.072806, 0.090506, 0.105726, 0.116061, 0.119726, 0.116061, 0.105726, 0.090506, 0.072806, 0.055037);
+
+#endif
+
+#ifdef DOF_QUALITY_HIGH
+const int dof_kernel_size = 21;
+const int dof_kernel_from = 10;
+const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174);
+#endif
+
+uniform sampler2D dof_source_depth; //texunit:1
+uniform float dof_begin;
+uniform float dof_end;
+uniform vec2 dof_dir;
+uniform float dof_radius;
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+uniform sampler2D source_dof_original; //texunit:2
+#endif
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+uniform float exposure;
+uniform float white;
+uniform highp float luminance_cap;
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+
+#endif
+
+uniform float glow_bloom;
+uniform float glow_hdr_threshold;
+uniform float glow_hdr_scale;
+
+#endif
+
+uniform float camera_z_far;
+uniform float camera_z_near;
+
+void main() {
+#ifdef GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+	// sigma 2
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.214607;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.071303;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303;
+	frag_color = color;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.38774;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.06136;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.06136;
+	frag_color = color;
+#endif
+
+	//glow uses larger sigma for a more rounded blur effect
+
+#ifdef GLOW_GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+
+#ifdef USE_GLOW_HIGH_QUALITY
+	// Sample from two lines to capture single-pixel features.
+	// This is significantly slower, but looks better and is more stable for moving objects.
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 0.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 0.0) * pix_size, lod) * 0.063327;
+
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 1.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 1.0) * pix_size, lod) * 0.063327;
+	color *= 0.5;
+#else
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595;
+#endif //USE_GLOW_HIGH_QUALITY
+
+	color *= glow_strength;
+	frag_color = color;
+#endif //GLOW_GAUSSIAN_HORIZONTAL
+
+#ifdef GLOW_GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581;
+	color *= glow_strength;
+	frag_color = color;
+#endif
+
+#ifdef DOF_FAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float depth = textureLod(dof_source_depth, uv_interp, 0.0).r;
+	depth = depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near));
+#endif
+
+	float amount = smoothstep(dof_begin, dof_end, depth);
+	float k_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * amount * dof_radius;
+
+		float tap_k = dof_kernel[i];
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = mix(smoothstep(dof_begin, dof_end, tap_depth), 1.0, int_ofs == 0);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0) * tap_k;
+
+		k_accum += tap_k * tap_amount;
+		color_accum += tap_color * tap_amount;
+	}
+
+	if (k_accum > 0.0) {
+		color_accum /= k_accum;
+	}
+
+	frag_color = color_accum; ///k_accum;
+
+#endif
+
+#ifdef DOF_NEAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float max_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * dof_radius;
+		float ofs_influence = max(0.0, 1.0 - float(abs(int_ofs)) / float(dof_kernel_from));
+
+		float tap_k = dof_kernel[i];
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0);
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+#ifdef DOF_NEAR_FIRST_TAP
+
+		tap_color.a = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+
+#endif
+
+		max_accum = max(max_accum, tap_amount * ofs_influence);
+
+		color_accum += tap_color * tap_k;
+	}
+
+	color_accum.a = max(color_accum.a, sqrt(max_accum));
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+	vec4 original = textureLod(source_dof_original, uv_interp, 0.0);
+	color_accum = mix(original, color_accum, color_accum.a);
+
+#endif
+
+#ifndef DOF_NEAR_FIRST_TAP
+	//color_accum=vec4(vec3(color_accum.a),1.0);
+#endif
+	frag_color = color_accum;
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+	frag_color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+	frag_color *= exposure;
+
+	float luminance = max(frag_color.r, max(frag_color.g, frag_color.b));
+	float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom);
+
+	frag_color = min(frag_color * feedback, vec4(luminance_cap));
+
+#endif
+
+#ifdef SIMPLE_COPY
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	frag_color = color;
+#endif
+
+#ifdef SSAO_MERGE
+
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	float ssao = textureLod(source_ssao, uv_interp, 0.0).r;
+
+	frag_color = vec4(mix(color.rgb, color.rgb * mix(ssao_color.rgb, vec3(1.0), ssao), color.a), 1.0);
+
+#endif
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define GAUSSIAN_VERTICAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+#ifdef USE_BLUR_SECTION
+
+uniform vec4 blur_section;
+
+#endif
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+#ifdef USE_BLUR_SECTION
+
+	uv_interp = blur_section.xy + uv_interp * blur_section.zw;
+	gl_Position.xy = (blur_section.xy + (gl_Position.xy * 0.5 + 0.5) * blur_section.zw) * 2.0 - 1.0;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/130.shader_test b/shaders/godot3.4/130.shader_test
new file mode 100644
index 0000000..14cd259
--- /dev/null
+++ b/shaders/godot3.4/130.shader_test
@@ -0,0 +1,1572 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec2 m_offset;
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec2 m_ps = color_texpixel_size;
+	vec4 m_shadow = vec4(m_modulate.rgb, (texture2D(color_texture, (uv - (m_offset * m_ps))).a * m_modulate.a));
+	vec4 m_col = texture2D(color_texture, uv);
+	color = mix(m_shadow, m_col, m_col.a);
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec2 m_offset;
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/133.shader_test b/shaders/godot3.4/133.shader_test
new file mode 100644
index 0000000..2c592bc
--- /dev/null
+++ b/shaders/godot3.4/133.shader_test
@@ -0,0 +1,1567 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	color = vec4(m_modulate.rgb, (texture2D(color_texture, uv).a * m_modulate.a));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec4 m_modulate;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/136.shader_test b/shaders/godot3.4/136.shader_test
new file mode 100644
index 0000000..a714af8
--- /dev/null
+++ b/shaders/godot3.4/136.shader_test
@@ -0,0 +1,1593 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_amount;
+uniform highp float m_radius;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	float m_r = m_radius;
+	vec2 m_ps = color_texpixel_size;
+	vec4 m_col = texture2D(color_texture, uv);
+	vec4 m_glow = m_col;
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, 0.0) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(0.0, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(0.0, m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, 0.0) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, m_r) * m_ps)));
+	m_r *= 2.0;
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, 0.0) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(-m_r, m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(0.0, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(0.0, m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, -m_r) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, 0.0) * m_ps)));
+	m_glow += texture2D(color_texture, (uv + (vec2(m_r, m_r) * m_ps)));
+	m_glow /= 17.0;
+	m_glow *= m_amount;
+	m_col.rgb *= m_col.a;
+	color = (m_glow + m_col);
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_amount;
+uniform highp float m_radius;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/139.shader_test b/shaders/godot3.4/139.shader_test
new file mode 100644
index 0000000..5c69ceb
--- /dev/null
+++ b/shaders/godot3.4/139.shader_test
@@ -0,0 +1,1571 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_amount;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec2 m_uv = (uv * 0.05);
+	float m_a = fract((sin(dot(uv, vec2(12.9898,78.233))) * 438.545));
+	vec4 m_col = texture2D(color_texture, uv);
+	m_col.a *= pow(m_a, m_amount);
+	color = m_col;
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_amount;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/16-13.shader_test b/shaders/godot3.4/16-13.shader_test
new file mode 100644
index 0000000..26d1ce1
--- /dev/null
+++ b/shaders/godot3.4/16-13.shader_test
@@ -0,0 +1,283 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_MULTIPLIER
+#define USE_PANORAMA
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#if !defined(USE_GLES_OVER_GL)
+precision mediump float;
+#endif
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+in vec3 cube_interp;
+#else
+in vec2 uv_interp;
+#endif
+
+#ifdef USE_ASYM_PANO
+uniform highp mat4 pano_transform;
+uniform highp vec4 asym_proj;
+#endif
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_TEXTURE3D
+#endif
+#ifdef USE_TEXTURE2DARRAY
+#endif
+#ifdef YCBCR_TO_SRGB
+#endif
+
+#ifdef USE_CUBEMAP
+uniform samplerCube source_cube; //texunit:0
+#elif defined(USE_TEXTURE3D)
+uniform sampler3D source_3d; //texunit:0
+#elif defined(USE_TEXTURE2DARRAY)
+uniform sampler2DArray source_2d_array; //texunit:0
+#else
+uniform sampler2D source; //texunit:0
+#endif
+
+#ifdef SEP_CBCR_TEXTURE
+uniform sampler2D CbCr; //texunit:1
+#endif
+
+/* clang-format on */
+
+#ifdef USE_LOD
+uniform float mip_level;
+#endif
+
+#if defined(USE_TEXTURE3D) || defined(USE_TEXTURE2DARRAY)
+uniform float layer;
+#endif
+
+#ifdef USE_MULTIPLIER
+uniform float multiplier;
+#endif
+
+#if defined(USE_PANORAMA) || defined(USE_ASYM_PANO)
+uniform highp mat4 sky_transform;
+
+vec4 texturePanorama(vec3 normal, sampler2D pano) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return textureLod(pano, st, 0.0);
+}
+
+#endif
+
+uniform vec2 pixel_size;
+
+in vec2 uv2_interp;
+
+#ifdef USE_BCS
+
+uniform vec3 bcs;
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+uniform sampler2D color_correction; //texunit:1
+
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+void main() {
+	//vec4 color = color_interp;
+
+#ifdef USE_PANORAMA
+
+	vec3 cube_normal = normalize(cube_interp);
+	cube_normal.z = -cube_normal.z;
+	cube_normal = mat3(sky_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(cube_normal, source);
+
+#elif defined(USE_ASYM_PANO)
+
+	// When an asymmetrical projection matrix is used (applicable for stereoscopic rendering i.e. VR) we need to do this calculation per fragment to get a perspective correct result.
+	// Asymmetrical projection means the center of projection is no longer in the center of the screen but shifted.
+	// The Matrix[2][0] (= asym_proj.x) and Matrix[2][1] (= asym_proj.z) values are what provide the right shift in the image.
+
+	vec3 cube_normal;
+	cube_normal.z = -1.0;
+	cube_normal.x = (cube_normal.z * (-uv_interp.x - asym_proj.x)) / asym_proj.y;
+	cube_normal.y = (cube_normal.z * (-uv_interp.y - asym_proj.z)) / asym_proj.a;
+	cube_normal = mat3(sky_transform) * mat3(pano_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(normalize(cube_normal.xyz), source);
+
+#elif defined(USE_CUBEMAP)
+	vec4 color = texture(source_cube, normalize(cube_interp));
+
+#elif defined(USE_TEXTURE3D)
+	vec4 color = textureLod(source_3d, vec3(uv_interp, layer), 0.0);
+#elif defined(USE_TEXTURE2DARRAY)
+	vec4 color = textureLod(source_2d_array, vec3(uv_interp, layer), 0.0);
+#elif defined(SEP_CBCR_TEXTURE)
+	vec4 color;
+	color.r = textureLod(source, uv_interp, 0.0).r;
+	color.gb = textureLod(CbCr, uv_interp, 0.0).rg - vec2(0.5, 0.5);
+	color.a = 1.0;
+#else
+#ifdef USE_LOD
+	vec4 color = textureLod(source, uv_interp, mip_level);
+#else
+	vec4 color = textureLod(source, uv_interp, 0.0);
+#endif
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+
+#elif defined(YCBCR_TO_SRGB)
+
+	// YCbCr -> SRGB conversion
+	// Using BT.709 which is the standard for HDTV
+	color.rgb = mat3(
+						vec3(1.00000, 1.00000, 1.00000),
+						vec3(0.00000, -0.18732, 1.85560),
+						vec3(1.57481, -0.46813, 0.00000)) *
+			color.rgb;
+
+#endif
+
+#ifdef SRGB_TO_LINEAR
+
+	color.rgb = mix(pow((color.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), color.rgb * (1.0 / 12.92), lessThan(color.rgb, vec3(0.04045)));
+#endif
+
+#ifdef DEBUG_GRADIENT
+	color.rg = uv_interp;
+	color.b = 0.0;
+#endif
+
+#ifdef DISABLE_ALPHA
+	color.a = 1.0;
+#endif
+
+#ifdef GAUSSIAN_HORIZONTAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(2.0, 0.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(-1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(-2.0, 0.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(0.0, 1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, 2.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(0.0, -1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, -2.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef USE_BCS
+
+	color.rgb = mix(vec3(0.0), color.rgb, bcs.x);
+	color.rgb = mix(vec3(0.5), color.rgb, bcs.y);
+	color.rgb = mix(vec3(dot(vec3(1.0), color.rgb) * 0.33333), color.rgb, bcs.z);
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+	color.r = texture(color_correction, vec2(color.r, 0.0)).r;
+	color.g = texture(color_correction, vec2(color.g, 0.0)).g;
+	color.b = texture(color_correction, vec2(color.b, 0.0)).b;
+#endif
+
+#ifdef USE_MULTIPLIER
+	color.rgb *= multiplier;
+#endif
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_MULTIPLIER
+#define USE_PANORAMA
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+layout(location = 4) in vec3 cube_in;
+#else
+layout(location = 4) in vec2 uv_in;
+#endif
+layout(location = 5) in vec2 uv2_in;
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+out vec3 cube_interp;
+#else
+out vec2 uv_interp;
+#endif
+
+out vec2 uv2_interp;
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_DISPLAY_TRANSFORM
+#endif
+
+#ifdef USE_COPY_SECTION
+
+uniform vec4 copy_section;
+
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+uniform highp mat4 display_transform;
+
+#endif
+
+void main() {
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+	cube_interp = cube_in;
+#elif defined(USE_ASYM_PANO)
+	uv_interp = vertex_attrib.xy;
+#else
+	uv_interp = uv_in;
+#ifdef V_FLIP
+	uv_interp.y = 1.0 - uv_interp.y;
+#endif
+
+#endif
+	uv2_interp = uv2_in;
+	gl_Position = vertex_attrib;
+
+#ifdef USE_COPY_SECTION
+
+	uv_interp = copy_section.xy + uv_interp * copy_section.zw;
+	gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0;
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+	uv_interp = (display_transform * vec4(uv_in, 1.0, 1.0)).xy;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/16-14.shader_test b/shaders/godot3.4/16-14.shader_test
new file mode 100644
index 0000000..8a32eb3
--- /dev/null
+++ b/shaders/godot3.4/16-14.shader_test
@@ -0,0 +1,2375 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/16-16.shader_test b/shaders/godot3.4/16-16.shader_test
new file mode 100644
index 0000000..671c55b
--- /dev/null
+++ b/shaders/godot3.4/16-16.shader_test
@@ -0,0 +1,3254 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, gl_PointCoord);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	point_size = m_point_size;
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/16-23.shader_test b/shaders/godot3.4/16-23.shader_test
new file mode 100644
index 0000000..74a425d
--- /dev/null
+++ b/shaders/godot3.4/16-23.shader_test
@@ -0,0 +1,2413 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		alpha=(m_albedo.a*m_albedo_tex.a);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/16-40.shader_test b/shaders/godot3.4/16-40.shader_test
new file mode 100644
index 0000000..77cebed
--- /dev/null
+++ b/shaders/godot3.4/16-40.shader_test
@@ -0,0 +1,876 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/16-42.shader_test b/shaders/godot3.4/16-42.shader_test
new file mode 100644
index 0000000..8cd9164
--- /dev/null
+++ b/shaders/godot3.4/16-42.shader_test
@@ -0,0 +1,2373 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define RENDER_DEPTH
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define RENDER_DEPTH
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/16-46.shader_test b/shaders/godot3.4/16-46.shader_test
new file mode 100644
index 0000000..94d4555
--- /dev/null
+++ b/shaders/godot3.4/16-46.shader_test
@@ -0,0 +1,102 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define EXPOSURE_END
+#define EXPOSURE_FORCE_SET
+precision highp float;
+precision highp int;
+
+uniform highp sampler2D source_exposure; //texunit:0
+/* clang-format on */
+
+#ifdef EXPOSURE_BEGIN
+
+uniform highp ivec2 source_render_size;
+uniform highp ivec2 target_size;
+
+#endif
+
+#ifdef EXPOSURE_END
+
+uniform highp sampler2D prev_exposure; //texunit:1
+uniform highp float exposure_adjust;
+uniform highp float min_luminance;
+uniform highp float max_luminance;
+
+#endif
+
+layout(location = 0) out highp float exposure;
+
+void main() {
+#ifdef EXPOSURE_BEGIN
+
+	ivec2 src_pos = ivec2(gl_FragCoord.xy) * source_render_size / target_size;
+
+#if 1
+	//more precise and expensive, but less jittery
+	ivec2 next_pos = (ivec2(gl_FragCoord.xy) + ivec2(1)) * source_render_size / target_size;
+	next_pos = max(next_pos, src_pos + ivec2(1)); //so it at least reads one pixel
+	highp vec3 source_color = vec3(0.0);
+	for (int i = src_pos.x; i < next_pos.x; i++) {
+		for (int j = src_pos.y; j < next_pos.y; j++) {
+			source_color += texelFetch(source_exposure, ivec2(i, j), 0).rgb;
+		}
+	}
+
+	source_color /= float((next_pos.x - src_pos.x) * (next_pos.y - src_pos.y));
+#else
+	highp vec3 source_color = texelFetch(source_exposure, src_pos, 0).rgb;
+
+#endif
+
+	exposure = max(source_color.r, max(source_color.g, source_color.b));
+
+#else
+
+	ivec2 coord = ivec2(gl_FragCoord.xy);
+	exposure = texelFetch(source_exposure, coord * 3 + ivec2(0, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 2), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 2), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 2), 0).r;
+	exposure *= (1.0 / 9.0);
+
+#ifdef EXPOSURE_END
+
+#ifdef EXPOSURE_FORCE_SET
+	//will stay as is
+#else
+	highp float prev_lum = texelFetch(prev_exposure, ivec2(0, 0), 0).r; //1 pixel previous exposure
+	exposure = clamp(prev_lum + (exposure - prev_lum) * exposure_adjust, min_luminance, max_luminance);
+
+#endif //EXPOSURE_FORCE_SET
+
+#endif //EXPOSURE_END
+
+#endif //EXPOSURE_BEGIN
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define EXPOSURE_END
+#define EXPOSURE_FORCE_SET
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+
+void main() {
+	gl_Position = vertex_attrib;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/16-52.shader_test b/shaders/godot3.4/16-52.shader_test
new file mode 100644
index 0000000..0910e70
--- /dev/null
+++ b/shaders/godot3.4/16-52.shader_test
@@ -0,0 +1,2371 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define RENDER_DEPTH
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define RENDER_DEPTH
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/16-6.shader_test b/shaders/godot3.4/16-6.shader_test
new file mode 100644
index 0000000..f15523b
--- /dev/null
+++ b/shaders/godot3.4/16-6.shader_test
@@ -0,0 +1,510 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+// any code here is never executed, stuff is filled just so it works
+
+#if defined(USE_MATERIAL)
+
+layout(std140) uniform UniformData {
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+float m_emission_sphere_radius;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+
+#endif
+uniform sampler2D m_color_ramp;
+
+
+void main() {
+
+	{
+
+
+	}
+
+	{
+
+
+	}
+}
+/* clang-format on */
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 color;
+/* clang-format on */
+layout(location = 1) in highp vec4 velocity_active;
+layout(location = 2) in highp vec4 custom;
+layout(location = 3) in highp vec4 xform_1;
+layout(location = 4) in highp vec4 xform_2;
+layout(location = 5) in highp vec4 xform_3;
+
+struct Attractor {
+	vec3 pos;
+	vec3 dir;
+	float radius;
+	float eat_radius;
+	float strength;
+	float attenuation;
+};
+
+#define MAX_ATTRACTORS 64
+
+uniform bool emitting;
+uniform float system_phase;
+uniform float prev_system_phase;
+uniform int total_particles;
+uniform float explosiveness;
+uniform float randomness;
+uniform float time;
+uniform float delta;
+
+uniform int attractor_count;
+uniform Attractor attractors[MAX_ATTRACTORS];
+uniform bool clear;
+uniform uint cycle;
+uniform float lifetime;
+uniform mat4 emission_transform;
+uniform uint random_seed;
+
+out highp vec4 out_color; //tfb:
+out highp vec4 out_velocity_active; //tfb:
+out highp vec4 out_custom; //tfb:
+out highp vec4 out_xform_1; //tfb:
+out highp vec4 out_xform_2; //tfb:
+out highp vec4 out_xform_3; //tfb:
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:0
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+float m_emission_sphere_radius;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_color_ramp;
+
+uint m_hash(uint m_x)
+	{
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=((m_x>>16u)^m_x);
+return m_x;	}
+
+float m_rand_from_seed(inout uint m_seed)
+	{
+		int m_k;
+		int m_s=int(m_seed);
+		if ((m_s==0))
+		{
+			m_s=305420679;
+		}
+		m_k=(m_s/127773);
+		m_s=((16807*(m_s-(m_k*127773)))-(2836*m_k));
+		if ((m_s<0))
+		{
+			m_s+=2147483647;
+		}
+		m_seed=uint(m_s);
+return (float((m_seed%65536u))/65535.0);	}
+
+float m_rand_from_seed_m1_p1(inout uint m_seed)
+	{
+return ((m_rand_from_seed(m_seed)*2.0)-1.0);	}
+
+
+/* clang-format on */
+
+uint hash(uint x) {
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = (x >> uint(16)) ^ x;
+	return x;
+}
+
+void main() {
+#ifdef PARTICLES_COPY
+
+	out_color = color;
+	out_velocity_active = velocity_active;
+	out_custom = custom;
+	out_xform_1 = xform_1;
+	out_xform_2 = xform_2;
+	out_xform_3 = xform_3;
+
+#else
+
+	bool apply_forces = true;
+	bool apply_velocity = true;
+	float local_delta = delta;
+
+	float mass = 1.0;
+
+	float restart_phase = float(gl_VertexID) / float(total_particles);
+
+	if (randomness > 0.0) {
+		uint seed = cycle;
+		if (restart_phase >= system_phase) {
+			seed -= uint(1);
+		}
+		seed *= uint(total_particles);
+		seed += uint(gl_VertexID);
+		float random = float(hash(seed) % uint(65536)) / 65536.0;
+		restart_phase += randomness * random * 1.0 / float(total_particles);
+	}
+
+	restart_phase *= (1.0 - explosiveness);
+	bool restart = false;
+	bool shader_active = velocity_active.a > 0.5;
+
+	if (system_phase > prev_system_phase) {
+		// restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed
+
+		if (restart_phase >= prev_system_phase && restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+
+	} else if (delta > 0.0) {
+		if (restart_phase >= prev_system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (1.0 - restart_phase + system_phase) * lifetime;
+#endif
+		} else if (restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+	}
+
+	uint current_cycle = cycle;
+
+	if (system_phase < restart_phase) {
+		current_cycle -= uint(1);
+	}
+
+	uint particle_number = current_cycle * uint(total_particles) + uint(gl_VertexID);
+	int index = int(gl_VertexID);
+
+	if (restart) {
+		shader_active = emitting;
+	}
+
+	mat4 xform;
+
+#if defined(ENABLE_KEEP_DATA)
+	if (clear) {
+#else
+	if (clear || restart) {
+#endif
+		out_color = vec4(1.0);
+		out_velocity_active = vec4(0.0);
+		out_custom = vec4(0.0);
+		if (!restart)
+			shader_active = false;
+
+		xform = mat4(
+				vec4(1.0, 0.0, 0.0, 0.0),
+				vec4(0.0, 1.0, 0.0, 0.0),
+				vec4(0.0, 0.0, 1.0, 0.0),
+				vec4(0.0, 0.0, 0.0, 1.0));
+	} else {
+		out_color = color;
+		out_velocity_active = velocity_active;
+		out_custom = custom;
+		xform = transpose(mat4(xform_1, xform_2, xform_3, vec4(vec3(0.0), 1.0)));
+	}
+
+	if (shader_active) {
+		//execute shader
+
+		{
+			/* clang-format off */
+	{
+		uint m_base_number=(particle_number/uint(m_trail_divisor));
+		uint m_alt_seed=m_hash(((m_base_number+1u)+random_seed));
+		float m_angle_rand=m_rand_from_seed(m_alt_seed);
+		float m_scale_rand=m_rand_from_seed(m_alt_seed);
+		float m_hue_rot_rand=m_rand_from_seed(m_alt_seed);
+		float m_anim_offset_rand=m_rand_from_seed(m_alt_seed);
+		float m_pi=3.14159;
+		float m_degree_to_rad=(m_pi/180.0);
+		bool m_restart=false;
+		float m_tv=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			m_restart=true;
+			m_tv=1.0;
+		}
+;
+		}
+		if ((restart||m_restart))
+		{
+					{
+			uint m_alt_restart_seed=m_hash(((m_base_number+301184u)+random_seed));
+			float m_tex_linear_velocity=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_offset=0.0;
+			float m_spread_rad=(m_spread*m_degree_to_rad);
+					{
+			float m_angle1_rad=(m_rand_from_seed_m1_p1(m_alt_restart_seed)*m_spread_rad);
+			m_angle1_rad+=((m_direction.x!=0.0)?atan(m_direction.y, m_direction.x):(sign(m_direction.y)*(m_pi/2.0)));
+			vec3 m_rot=vec3(cos(m_angle1_rad), sin(m_angle1_rad), 0.0);
+			out_velocity_active.xyz=((m_rot*m_initial_linear_velocity)*mix(1.0, m_rand_from_seed(m_alt_restart_seed), m_initial_linear_velocity_random));
+		}
+;
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.y=0.0;
+			out_custom.w=(1.0-(m_lifetime_randomness*m_rand_from_seed(m_alt_restart_seed)));
+			out_custom.z=((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random));
+			float m_s=((m_rand_from_seed(m_alt_restart_seed)*2.0)-1.0);
+			float m_t=((m_rand_from_seed(m_alt_restart_seed)*2.0)*m_pi);
+			float m_radius=(m_emission_sphere_radius*sqrt((1.0-(m_s*m_s))));
+			xform[3].xyz=vec3((m_radius*cos(m_t)), (m_radius*sin(m_t)), (m_emission_sphere_radius*m_s));
+			out_velocity_active.xyz=(emission_transform*vec4(out_velocity_active.xyz, 0.0)).xyz;
+			xform=(emission_transform*xform);
+			out_velocity_active.xyz.z=0.0;
+			xform[3].z=0.0;
+		}
+;
+		}
+		else
+		{
+					{
+			out_custom.y+=(local_delta/lifetime);
+			m_tv=(out_custom.y/out_custom.w);
+			float m_tex_linear_velocity=0.0;
+			float m_tex_orbit_velocity=0.0;
+			float m_tex_angular_velocity=0.0;
+			float m_tex_linear_accel=0.0;
+			float m_tex_radial_accel=0.0;
+			float m_tex_tangent_accel=0.0;
+			float m_tex_damping=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_speed=0.0;
+			float m_tex_anim_offset=0.0;
+			vec3 m_force=m_gravity;
+			vec3 m_pos=xform[3].xyz;
+			m_pos.z=0.0;
+			m_force+=((length(out_velocity_active.xyz)>0.0)?((normalize(out_velocity_active.xyz)*(m_linear_accel+m_tex_linear_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_linear_accel_random)):vec3(0.0,0.0,0.0));
+			vec3 m_org=emission_transform[3].xyz;
+			vec3 m_diff=(m_pos-m_org);
+			m_force+=((length(m_diff)>0.0)?((normalize(m_diff)*(m_radial_accel+m_tex_radial_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_radial_accel_random)):vec3(0.0,0.0,0.0));
+			m_force+=((length(m_diff.yx)>0.0)?(vec3(normalize((m_diff.yx*vec2(-1.0,1.0))), 0.0)*((m_tangent_accel+m_tex_tangent_accel)*mix(1.0, m_rand_from_seed(m_alt_seed), m_tangent_accel_random))):vec3(0.0,0.0,0.0));
+			out_velocity_active.xyz+=(m_force*local_delta);
+			float m_orbit_amount=((m_orbit_velocity+m_tex_orbit_velocity)*mix(1.0, m_rand_from_seed(m_alt_seed), m_orbit_velocity_random));
+			if ((m_orbit_amount!=0.0))
+			{
+							{
+				float m_ang=(((m_orbit_amount*local_delta)*m_pi)*2.0);
+				mat2 m_rot=mat2(vec2(cos(m_ang), -sin(m_ang)), vec2(sin(m_ang), cos(m_ang)));
+				xform[3].xy-=m_diff.xy;
+				xform[3].xy+=(m_rot*m_diff.xy);
+			}
+;
+			}
+			if (((m_damping+m_tex_damping)>0.0))
+			{
+							{
+				float m_v=length(out_velocity_active.xyz);
+				float m_damp=((m_damping+m_tex_damping)*mix(1.0, m_rand_from_seed(m_alt_seed), m_damping_random));
+				m_v-=(m_damp*local_delta);
+				if ((m_v<0.0))
+				{
+									{
+					out_velocity_active.xyz=vec3(0.0,0.0,0.0);
+				}
+;
+				}
+				else
+				{
+									{
+					out_velocity_active.xyz=(normalize(out_velocity_active.xyz)*m_v);
+				}
+;
+				}
+			}
+;
+			}
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			m_base_angle+=(((out_custom.y*lifetime)*(m_angular_velocity+m_tex_angular_velocity))*mix(1.0, ((m_rand_from_seed(m_alt_seed)*2.0)-1.0), m_angular_velocity_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.z=(((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random))+((out_custom.y*(m_anim_speed+m_tex_anim_speed))*mix(1.0, m_rand_from_seed(m_alt_seed), m_anim_speed_random)));
+		}
+;
+		}
+		float m_tex_scale=1.0;
+		float m_tex_hue_variation=0.0;
+		float m_hue_rot_angle=((((m_hue_variation+m_tex_hue_variation)*m_pi)*2.0)*mix(1.0, ((m_hue_rot_rand*2.0)-1.0), m_hue_variation_random));
+		float m_hue_rot_c=cos(m_hue_rot_angle);
+		float m_hue_rot_s=sin(m_hue_rot_angle);
+		mat4 m_hue_rot_mat=((mat4(0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.0,0.0,0.0,1.0)+(mat4(0.701,-0.587,-0.114,0.0,-0.299,0.413,-0.114,0.0,-0.3,-0.588,0.886,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_c))+(mat4(0.168,0.33,-0.497,0.0,-0.328,0.035,0.292,0.0,1.25,-1.05,-0.203,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_s));
+		out_color=((m_hue_rot_mat*textureLod(m_color_ramp, vec2(m_tv, 0.0), 0.0))*m_color_value);
+		xform[0]=vec4(cos(out_custom.x), -sin(out_custom.x), 0.0, 0.0);
+		xform[1]=vec4(sin(out_custom.x), cos(out_custom.x), 0.0, 0.0);
+		xform[2]=vec4(0.0,0.0,1.0,0.0);
+		float m_base_scale=(m_tex_scale*mix(m_scale, 1.0, (m_scale_random*m_scale_rand)));
+		if ((m_base_scale<1e-06))
+		{
+					{
+			m_base_scale=1e-06;
+		}
+;
+		}
+		xform[0].xyz*=m_base_scale;
+		xform[1].xyz*=m_base_scale;
+		xform[2].xyz*=m_base_scale;
+		out_velocity_active.xyz.z=0.0;
+		xform[3].z=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			shader_active=false;
+		}
+;
+		}
+	}
+
+
+			/* clang-format on */
+		}
+
+#if !defined(DISABLE_FORCE)
+
+		if (false) {
+			vec3 force = vec3(0.0);
+			for (int i = 0; i < attractor_count; i++) {
+				vec3 rel_vec = xform[3].xyz - attractors[i].pos;
+				float dist = length(rel_vec);
+				if (attractors[i].radius < dist)
+					continue;
+				if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) {
+					out_velocity_active.a = 0.0;
+				}
+
+				rel_vec = normalize(rel_vec);
+
+				float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation);
+
+				if (attractors[i].dir == vec3(0.0)) {
+					//towards center
+					force += attractors[i].strength * rel_vec * attenuation * mass;
+				} else {
+					force += attractors[i].strength * attractors[i].dir * attenuation * mass;
+				}
+			}
+
+			out_velocity_active.xyz += force * local_delta;
+		}
+#endif
+
+#if !defined(DISABLE_VELOCITY)
+
+		if (true) {
+			xform[3].xyz += out_velocity_active.xyz * local_delta;
+		}
+#endif
+	} else {
+		xform = mat4(0.0);
+	}
+
+	xform = transpose(xform);
+
+	out_velocity_active.a = mix(0.0, 1.0, shader_active);
+
+	out_xform_1 = xform[0];
+	out_xform_2 = xform[1];
+	out_xform_3 = xform[2];
+
+#endif //PARTICLES_COPY
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/16-68.shader_test b/shaders/godot3.4/16-68.shader_test
new file mode 100644
index 0000000..2e07eab
--- /dev/null
+++ b/shaders/godot3.4/16-68.shader_test
@@ -0,0 +1,889 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_vignette;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+	{
+		vec3 m_vignette_color=texture(m_vignette, uv).rgb;
+		color.rgb=textureLod(screen_texture, screen_uv, ((1.0-m_vignette_color.r)*4.0)).rgb;
+		color.rgb*=texture(m_vignette, uv).rgb;
+	}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_vignette;
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/19-1.shader_test b/shaders/godot3.4/19-1.shader_test
new file mode 100644
index 0000000..6811fff
--- /dev/null
+++ b/shaders/godot3.4/19-1.shader_test
@@ -0,0 +1,3243 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp vec4 m_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	albedo = m_albedo.rgb;
+	alpha = m_albedo.a;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp vec4 m_albedo;
+
+mat3 m_orthonormalize(in mat3 m_m)
+{
+	vec3 m_x = normalize(m_m[0]);
+	vec3 m_y = normalize((m_m[1] - (m_x * dot(m_x, m_m[1]))));
+	vec3 m_z = (m_m[2] - (m_x * dot(m_x, m_m[2])));
+	m_z = normalize((m_z - (m_y * dot(m_y, m_m[2]))));
+	return mat3(m_x, m_y, m_z);
+}
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	mat3 m_mv = m_orthonormalize(mat3(modelview));
+	vec3 m_n = (m_mv * vertex.xyz);
+	float m_orientation = dot(vec3(0.0,0.0,-1.0), m_n);
+	if ((m_orientation <= 0.005))
+	{
+			{
+		vertex.xyz += (normal * 0.02);
+	}
+;
+	}
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/19-14.shader_test b/shaders/godot3.4/19-14.shader_test
new file mode 100644
index 0000000..75371ab
--- /dev/null
+++ b/shaders/godot3.4/19-14.shader_test
@@ -0,0 +1,2377 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/19-18.shader_test b/shaders/godot3.4/19-18.shader_test
new file mode 100644
index 0000000..ddfef80
--- /dev/null
+++ b/shaders/godot3.4/19-18.shader_test
@@ -0,0 +1,1560 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/19-23.shader_test b/shaders/godot3.4/19-23.shader_test
new file mode 100644
index 0000000..86bfcfa
--- /dev/null
+++ b/shaders/godot3.4/19-23.shader_test
@@ -0,0 +1,2423 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		m_albedo_tex*=color_interp;
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		alpha=(m_albedo.a*m_albedo_tex.a);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		if (!SHADER_IS_SRGB)
+		{
+					{
+			color_interp.rgb=mix(pow(((color_interp.rgb+vec3(0.055,0.055,0.055))*(1.0/(1.0+0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb*(1.0/12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+		}
+;
+		}
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/19-46.shader_test b/shaders/godot3.4/19-46.shader_test
new file mode 100644
index 0000000..e8c41a0
--- /dev/null
+++ b/shaders/godot3.4/19-46.shader_test
@@ -0,0 +1,334 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define GLOW_FIRST_PASS
+#define GLOW_USE_AUTO_EXPOSURE
+#define GLOW_GAUSSIAN_HORIZONTAL
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+uniform sampler2D source_color; //texunit:0
+
+#ifdef SSAO_MERGE
+uniform sampler2D source_ssao; //texunit:1
+#endif
+
+uniform float lod;
+uniform vec2 pixel_size;
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef SSAO_MERGE
+
+uniform vec4 ssao_color;
+
+#endif
+
+#if defined(GLOW_GAUSSIAN_HORIZONTAL) || defined(GLOW_GAUSSIAN_VERTICAL)
+
+uniform float glow_strength;
+
+#endif
+
+#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
+
+#ifdef DOF_QUALITY_LOW
+const int dof_kernel_size = 5;
+const int dof_kernel_from = 2;
+const float dof_kernel[5] = float[](0.153388, 0.221461, 0.250301, 0.221461, 0.153388);
+#endif
+
+#ifdef DOF_QUALITY_MEDIUM
+const int dof_kernel_size = 11;
+const int dof_kernel_from = 5;
+const float dof_kernel[11] = float[](0.055037, 0.072806, 0.090506, 0.105726, 0.116061, 0.119726, 0.116061, 0.105726, 0.090506, 0.072806, 0.055037);
+
+#endif
+
+#ifdef DOF_QUALITY_HIGH
+const int dof_kernel_size = 21;
+const int dof_kernel_from = 10;
+const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174);
+#endif
+
+uniform sampler2D dof_source_depth; //texunit:1
+uniform float dof_begin;
+uniform float dof_end;
+uniform vec2 dof_dir;
+uniform float dof_radius;
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+uniform sampler2D source_dof_original; //texunit:2
+#endif
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+uniform float exposure;
+uniform float white;
+uniform highp float luminance_cap;
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+
+#endif
+
+uniform float glow_bloom;
+uniform float glow_hdr_threshold;
+uniform float glow_hdr_scale;
+
+#endif
+
+uniform float camera_z_far;
+uniform float camera_z_near;
+
+void main() {
+#ifdef GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+	// sigma 2
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.214607;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.071303;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303;
+	frag_color = color;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.38774;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.06136;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.06136;
+	frag_color = color;
+#endif
+
+	//glow uses larger sigma for a more rounded blur effect
+
+#ifdef GLOW_GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+
+#ifdef USE_GLOW_HIGH_QUALITY
+	// Sample from two lines to capture single-pixel features.
+	// This is significantly slower, but looks better and is more stable for moving objects.
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 0.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 0.0) * pix_size, lod) * 0.063327;
+
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 1.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 1.0) * pix_size, lod) * 0.063327;
+	color *= 0.5;
+#else
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595;
+#endif //USE_GLOW_HIGH_QUALITY
+
+	color *= glow_strength;
+	frag_color = color;
+#endif //GLOW_GAUSSIAN_HORIZONTAL
+
+#ifdef GLOW_GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581;
+	color *= glow_strength;
+	frag_color = color;
+#endif
+
+#ifdef DOF_FAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float depth = textureLod(dof_source_depth, uv_interp, 0.0).r;
+	depth = depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near));
+#endif
+
+	float amount = smoothstep(dof_begin, dof_end, depth);
+	float k_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * amount * dof_radius;
+
+		float tap_k = dof_kernel[i];
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = mix(smoothstep(dof_begin, dof_end, tap_depth), 1.0, int_ofs == 0);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0) * tap_k;
+
+		k_accum += tap_k * tap_amount;
+		color_accum += tap_color * tap_amount;
+	}
+
+	if (k_accum > 0.0) {
+		color_accum /= k_accum;
+	}
+
+	frag_color = color_accum; ///k_accum;
+
+#endif
+
+#ifdef DOF_NEAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float max_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * dof_radius;
+		float ofs_influence = max(0.0, 1.0 - float(abs(int_ofs)) / float(dof_kernel_from));
+
+		float tap_k = dof_kernel[i];
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0);
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+#ifdef DOF_NEAR_FIRST_TAP
+
+		tap_color.a = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+
+#endif
+
+		max_accum = max(max_accum, tap_amount * ofs_influence);
+
+		color_accum += tap_color * tap_k;
+	}
+
+	color_accum.a = max(color_accum.a, sqrt(max_accum));
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+	vec4 original = textureLod(source_dof_original, uv_interp, 0.0);
+	color_accum = mix(original, color_accum, color_accum.a);
+
+#endif
+
+#ifndef DOF_NEAR_FIRST_TAP
+	//color_accum=vec4(vec3(color_accum.a),1.0);
+#endif
+	frag_color = color_accum;
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+	frag_color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+	frag_color *= exposure;
+
+	float luminance = max(frag_color.r, max(frag_color.g, frag_color.b));
+	float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom);
+
+	frag_color = min(frag_color * feedback, vec4(luminance_cap));
+
+#endif
+
+#ifdef SIMPLE_COPY
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	frag_color = color;
+#endif
+
+#ifdef SSAO_MERGE
+
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	float ssao = textureLod(source_ssao, uv_interp, 0.0).r;
+
+	frag_color = vec4(mix(color.rgb, color.rgb * mix(ssao_color.rgb, vec3(1.0), ssao), color.a), 1.0);
+
+#endif
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define GLOW_FIRST_PASS
+#define GLOW_USE_AUTO_EXPOSURE
+#define GLOW_GAUSSIAN_HORIZONTAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+#ifdef USE_BLUR_SECTION
+
+uniform vec4 blur_section;
+
+#endif
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+#ifdef USE_BLUR_SECTION
+
+	uv_interp = blur_section.xy + uv_interp * blur_section.zw;
+	gl_Position.xy = (blur_section.xy + (gl_Position.xy * 0.5 + 0.5) * blur_section.zw) * 2.0 - 1.0;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/19-6.shader_test b/shaders/godot3.4/19-6.shader_test
new file mode 100644
index 0000000..f949a13
--- /dev/null
+++ b/shaders/godot3.4/19-6.shader_test
@@ -0,0 +1,512 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+// any code here is never executed, stuff is filled just so it works
+
+#if defined(USE_MATERIAL)
+
+layout(std140) uniform UniformData {
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+float m_emission_sphere_radius;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+
+#endif
+uniform sampler2D m_angular_velocity_texture;
+uniform sampler2D m_scale_texture;
+
+
+void main() {
+
+	{
+
+
+	}
+
+	{
+
+
+	}
+}
+/* clang-format on */
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 color;
+/* clang-format on */
+layout(location = 1) in highp vec4 velocity_active;
+layout(location = 2) in highp vec4 custom;
+layout(location = 3) in highp vec4 xform_1;
+layout(location = 4) in highp vec4 xform_2;
+layout(location = 5) in highp vec4 xform_3;
+
+struct Attractor {
+	vec3 pos;
+	vec3 dir;
+	float radius;
+	float eat_radius;
+	float strength;
+	float attenuation;
+};
+
+#define MAX_ATTRACTORS 64
+
+uniform bool emitting;
+uniform float system_phase;
+uniform float prev_system_phase;
+uniform int total_particles;
+uniform float explosiveness;
+uniform float randomness;
+uniform float time;
+uniform float delta;
+
+uniform int attractor_count;
+uniform Attractor attractors[MAX_ATTRACTORS];
+uniform bool clear;
+uniform uint cycle;
+uniform float lifetime;
+uniform mat4 emission_transform;
+uniform uint random_seed;
+
+out highp vec4 out_color; //tfb:
+out highp vec4 out_velocity_active; //tfb:
+out highp vec4 out_custom; //tfb:
+out highp vec4 out_xform_1; //tfb:
+out highp vec4 out_xform_2; //tfb:
+out highp vec4 out_xform_3; //tfb:
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:0
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+float m_emission_sphere_radius;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_angular_velocity_texture;
+uniform sampler2D m_scale_texture;
+
+uint m_hash(uint m_x)
+	{
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=((m_x>>16u)^m_x);
+return m_x;	}
+
+float m_rand_from_seed(inout uint m_seed)
+	{
+		int m_k;
+		int m_s=int(m_seed);
+		if ((m_s==0))
+		{
+			m_s=305420679;
+		}
+		m_k=(m_s/127773);
+		m_s=((16807*(m_s-(m_k*127773)))-(2836*m_k));
+		if ((m_s<0))
+		{
+			m_s+=2147483647;
+		}
+		m_seed=uint(m_s);
+return (float((m_seed%65536u))/65535.0);	}
+
+float m_rand_from_seed_m1_p1(inout uint m_seed)
+	{
+return ((m_rand_from_seed(m_seed)*2.0)-1.0);	}
+
+
+/* clang-format on */
+
+uint hash(uint x) {
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = (x >> uint(16)) ^ x;
+	return x;
+}
+
+void main() {
+#ifdef PARTICLES_COPY
+
+	out_color = color;
+	out_velocity_active = velocity_active;
+	out_custom = custom;
+	out_xform_1 = xform_1;
+	out_xform_2 = xform_2;
+	out_xform_3 = xform_3;
+
+#else
+
+	bool apply_forces = true;
+	bool apply_velocity = true;
+	float local_delta = delta;
+
+	float mass = 1.0;
+
+	float restart_phase = float(gl_VertexID) / float(total_particles);
+
+	if (randomness > 0.0) {
+		uint seed = cycle;
+		if (restart_phase >= system_phase) {
+			seed -= uint(1);
+		}
+		seed *= uint(total_particles);
+		seed += uint(gl_VertexID);
+		float random = float(hash(seed) % uint(65536)) / 65536.0;
+		restart_phase += randomness * random * 1.0 / float(total_particles);
+	}
+
+	restart_phase *= (1.0 - explosiveness);
+	bool restart = false;
+	bool shader_active = velocity_active.a > 0.5;
+
+	if (system_phase > prev_system_phase) {
+		// restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed
+
+		if (restart_phase >= prev_system_phase && restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+
+	} else if (delta > 0.0) {
+		if (restart_phase >= prev_system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (1.0 - restart_phase + system_phase) * lifetime;
+#endif
+		} else if (restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+	}
+
+	uint current_cycle = cycle;
+
+	if (system_phase < restart_phase) {
+		current_cycle -= uint(1);
+	}
+
+	uint particle_number = current_cycle * uint(total_particles) + uint(gl_VertexID);
+	int index = int(gl_VertexID);
+
+	if (restart) {
+		shader_active = emitting;
+	}
+
+	mat4 xform;
+
+#if defined(ENABLE_KEEP_DATA)
+	if (clear) {
+#else
+	if (clear || restart) {
+#endif
+		out_color = vec4(1.0);
+		out_velocity_active = vec4(0.0);
+		out_custom = vec4(0.0);
+		if (!restart)
+			shader_active = false;
+
+		xform = mat4(
+				vec4(1.0, 0.0, 0.0, 0.0),
+				vec4(0.0, 1.0, 0.0, 0.0),
+				vec4(0.0, 0.0, 1.0, 0.0),
+				vec4(0.0, 0.0, 0.0, 1.0));
+	} else {
+		out_color = color;
+		out_velocity_active = velocity_active;
+		out_custom = custom;
+		xform = transpose(mat4(xform_1, xform_2, xform_3, vec4(vec3(0.0), 1.0)));
+	}
+
+	if (shader_active) {
+		//execute shader
+
+		{
+			/* clang-format off */
+	{
+		uint m_base_number=(particle_number/uint(m_trail_divisor));
+		uint m_alt_seed=m_hash(((m_base_number+1u)+random_seed));
+		float m_angle_rand=m_rand_from_seed(m_alt_seed);
+		float m_scale_rand=m_rand_from_seed(m_alt_seed);
+		float m_hue_rot_rand=m_rand_from_seed(m_alt_seed);
+		float m_anim_offset_rand=m_rand_from_seed(m_alt_seed);
+		float m_pi=3.14159;
+		float m_degree_to_rad=(m_pi/180.0);
+		bool m_restart=false;
+		float m_tv=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			m_restart=true;
+			m_tv=1.0;
+		}
+;
+		}
+		if ((restart||m_restart))
+		{
+					{
+			uint m_alt_restart_seed=m_hash(((m_base_number+301184u)+random_seed));
+			float m_tex_linear_velocity=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_offset=0.0;
+			float m_spread_rad=(m_spread*m_degree_to_rad);
+					{
+			float m_angle1_rad=(m_rand_from_seed_m1_p1(m_alt_restart_seed)*m_spread_rad);
+			m_angle1_rad+=((m_direction.x!=0.0)?atan(m_direction.y, m_direction.x):(sign(m_direction.y)*(m_pi/2.0)));
+			vec3 m_rot=vec3(cos(m_angle1_rad), sin(m_angle1_rad), 0.0);
+			out_velocity_active.xyz=((m_rot*m_initial_linear_velocity)*mix(1.0, m_rand_from_seed(m_alt_restart_seed), m_initial_linear_velocity_random));
+		}
+;
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.y=0.0;
+			out_custom.w=(1.0-(m_lifetime_randomness*m_rand_from_seed(m_alt_restart_seed)));
+			out_custom.z=((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random));
+			float m_s=((m_rand_from_seed(m_alt_restart_seed)*2.0)-1.0);
+			float m_t=((m_rand_from_seed(m_alt_restart_seed)*2.0)*m_pi);
+			float m_radius=(m_emission_sphere_radius*sqrt((1.0-(m_s*m_s))));
+			xform[3].xyz=vec3((m_radius*cos(m_t)), (m_radius*sin(m_t)), (m_emission_sphere_radius*m_s));
+			out_velocity_active.xyz=(emission_transform*vec4(out_velocity_active.xyz, 0.0)).xyz;
+			xform=(emission_transform*xform);
+			out_velocity_active.xyz.z=0.0;
+			xform[3].z=0.0;
+		}
+;
+		}
+		else
+		{
+					{
+			out_custom.y+=(local_delta/lifetime);
+			m_tv=(out_custom.y/out_custom.w);
+			float m_tex_linear_velocity=0.0;
+			float m_tex_orbit_velocity=0.0;
+			float m_tex_angular_velocity=textureLod(m_angular_velocity_texture, vec2(m_tv, 0.0), 0.0).r;
+			float m_tex_linear_accel=0.0;
+			float m_tex_radial_accel=0.0;
+			float m_tex_tangent_accel=0.0;
+			float m_tex_damping=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_speed=0.0;
+			float m_tex_anim_offset=0.0;
+			vec3 m_force=m_gravity;
+			vec3 m_pos=xform[3].xyz;
+			m_pos.z=0.0;
+			m_force+=((length(out_velocity_active.xyz)>0.0)?((normalize(out_velocity_active.xyz)*(m_linear_accel+m_tex_linear_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_linear_accel_random)):vec3(0.0,0.0,0.0));
+			vec3 m_org=emission_transform[3].xyz;
+			vec3 m_diff=(m_pos-m_org);
+			m_force+=((length(m_diff)>0.0)?((normalize(m_diff)*(m_radial_accel+m_tex_radial_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_radial_accel_random)):vec3(0.0,0.0,0.0));
+			m_force+=((length(m_diff.yx)>0.0)?(vec3(normalize((m_diff.yx*vec2(-1.0,1.0))), 0.0)*((m_tangent_accel+m_tex_tangent_accel)*mix(1.0, m_rand_from_seed(m_alt_seed), m_tangent_accel_random))):vec3(0.0,0.0,0.0));
+			out_velocity_active.xyz+=(m_force*local_delta);
+			float m_orbit_amount=((m_orbit_velocity+m_tex_orbit_velocity)*mix(1.0, m_rand_from_seed(m_alt_seed), m_orbit_velocity_random));
+			if ((m_orbit_amount!=0.0))
+			{
+							{
+				float m_ang=(((m_orbit_amount*local_delta)*m_pi)*2.0);
+				mat2 m_rot=mat2(vec2(cos(m_ang), -sin(m_ang)), vec2(sin(m_ang), cos(m_ang)));
+				xform[3].xy-=m_diff.xy;
+				xform[3].xy+=(m_rot*m_diff.xy);
+			}
+;
+			}
+			if (((m_damping+m_tex_damping)>0.0))
+			{
+							{
+				float m_v=length(out_velocity_active.xyz);
+				float m_damp=((m_damping+m_tex_damping)*mix(1.0, m_rand_from_seed(m_alt_seed), m_damping_random));
+				m_v-=(m_damp*local_delta);
+				if ((m_v<0.0))
+				{
+									{
+					out_velocity_active.xyz=vec3(0.0,0.0,0.0);
+				}
+;
+				}
+				else
+				{
+									{
+					out_velocity_active.xyz=(normalize(out_velocity_active.xyz)*m_v);
+				}
+;
+				}
+			}
+;
+			}
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			m_base_angle+=(((out_custom.y*lifetime)*(m_angular_velocity+m_tex_angular_velocity))*mix(1.0, ((m_rand_from_seed(m_alt_seed)*2.0)-1.0), m_angular_velocity_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.z=(((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random))+((out_custom.y*(m_anim_speed+m_tex_anim_speed))*mix(1.0, m_rand_from_seed(m_alt_seed), m_anim_speed_random)));
+		}
+;
+		}
+		float m_tex_scale=textureLod(m_scale_texture, vec2(m_tv, 0.0), 0.0).r;
+		float m_tex_hue_variation=0.0;
+		float m_hue_rot_angle=((((m_hue_variation+m_tex_hue_variation)*m_pi)*2.0)*mix(1.0, ((m_hue_rot_rand*2.0)-1.0), m_hue_variation_random));
+		float m_hue_rot_c=cos(m_hue_rot_angle);
+		float m_hue_rot_s=sin(m_hue_rot_angle);
+		mat4 m_hue_rot_mat=((mat4(0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.0,0.0,0.0,1.0)+(mat4(0.701,-0.587,-0.114,0.0,-0.299,0.413,-0.114,0.0,-0.3,-0.588,0.886,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_c))+(mat4(0.168,0.33,-0.497,0.0,-0.328,0.035,0.292,0.0,1.25,-1.05,-0.203,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_s));
+		out_color=(m_hue_rot_mat*m_color_value);
+		xform[0]=vec4(cos(out_custom.x), -sin(out_custom.x), 0.0, 0.0);
+		xform[1]=vec4(sin(out_custom.x), cos(out_custom.x), 0.0, 0.0);
+		xform[2]=vec4(0.0,0.0,1.0,0.0);
+		float m_base_scale=(m_tex_scale*mix(m_scale, 1.0, (m_scale_random*m_scale_rand)));
+		if ((m_base_scale<1e-06))
+		{
+					{
+			m_base_scale=1e-06;
+		}
+;
+		}
+		xform[0].xyz*=m_base_scale;
+		xform[1].xyz*=m_base_scale;
+		xform[2].xyz*=m_base_scale;
+		out_velocity_active.xyz.z=0.0;
+		xform[3].z=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			shader_active=false;
+		}
+;
+		}
+	}
+
+
+			/* clang-format on */
+		}
+
+#if !defined(DISABLE_FORCE)
+
+		if (false) {
+			vec3 force = vec3(0.0);
+			for (int i = 0; i < attractor_count; i++) {
+				vec3 rel_vec = xform[3].xyz - attractors[i].pos;
+				float dist = length(rel_vec);
+				if (attractors[i].radius < dist)
+					continue;
+				if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) {
+					out_velocity_active.a = 0.0;
+				}
+
+				rel_vec = normalize(rel_vec);
+
+				float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation);
+
+				if (attractors[i].dir == vec3(0.0)) {
+					//towards center
+					force += attractors[i].strength * rel_vec * attenuation * mass;
+				} else {
+					force += attractors[i].strength * attractors[i].dir * attenuation * mass;
+				}
+			}
+
+			out_velocity_active.xyz += force * local_delta;
+		}
+#endif
+
+#if !defined(DISABLE_VELOCITY)
+
+		if (true) {
+			xform[3].xyz += out_velocity_active.xyz * local_delta;
+		}
+#endif
+	} else {
+		xform = mat4(0.0);
+	}
+
+	xform = transpose(xform);
+
+	out_velocity_active.a = mix(0.0, 1.0, shader_active);
+
+	out_xform_1 = xform[0];
+	out_xform_2 = xform[1];
+	out_xform_3 = xform[2];
+
+#endif //PARTICLES_COPY
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/19-68.shader_test b/shaders/godot3.4/19-68.shader_test
new file mode 100644
index 0000000..bfc8b19
--- /dev/null
+++ b/shaders/godot3.4/19-68.shader_test
@@ -0,0 +1,889 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+float m_amount;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+	{
+		color.rgb=textureLod(screen_texture, screen_uv, m_amount).rgb;
+	}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+float m_amount;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-1.shader_test b/shaders/godot3.4/22-1.shader_test
new file mode 100644
index 0000000..903ff59
--- /dev/null
+++ b/shaders/godot3.4/22-1.shader_test
@@ -0,0 +1,68 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+varying highp vec4 position_interp;
+/* clang-format on */
+
+void main() {
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+
+#ifdef USE_RGBA_SHADOWS
+
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+#else
+
+	gl_FragColor = vec4(depth);
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+attribute highp vec3 vertex; // attrib:0
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+uniform highp mat4 light_matrix;
+uniform highp mat4 world_matrix;
+uniform highp float distance_norm;
+
+varying highp vec4 position_interp;
+
+void main() {
+	gl_Position = projection_matrix * (light_matrix * (world_matrix * vec4(vertex, 1.0)));
+	position_interp = gl_Position;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-12.shader_test b/shaders/godot3.4/22-12.shader_test
new file mode 100644
index 0000000..d190bf1
--- /dev/null
+++ b/shaders/godot3.4/22-12.shader_test
@@ -0,0 +1,2446 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_uv1_blend_sharpness;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+in vec3 m_uv1_power_normal;
+in vec3 m_uv1_triplanar_pos;
+
+vec4 m_triplanar_texture(sampler2D m_p_sampler, vec3 m_p_weights, vec3 m_p_triplanar_pos)
+	{
+		vec4 m_samp=vec4(0.0,0.0,0.0,0.0);
+		m_samp+=(texture(m_p_sampler, m_p_triplanar_pos.xy)*m_p_weights.z);
+		m_samp+=(texture(m_p_sampler, m_p_triplanar_pos.xz)*m_p_weights.y);
+		m_samp+=(texture(m_p_sampler, (m_p_triplanar_pos.zy*vec2(-1.0,1.0)))*m_p_weights.x);
+return m_samp;	}
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec4 m_albedo_tex=m_triplanar_texture(m_texture_albedo, m_uv1_power_normal, m_uv1_triplanar_pos);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_uv1_blend_sharpness;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+out vec3 m_uv1_power_normal;
+out vec3 m_uv1_triplanar_pos;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		tangent=(vec3(0.0,0.0,-1.0)*abs(normal.x));
+		tangent+=(vec3(1.0,0.0,0.0)*abs(normal.y));
+		tangent+=(vec3(1.0,0.0,0.0)*abs(normal.z));
+		tangent=normalize(tangent);
+		binormal=(vec3(0.0,1.0,0.0)*abs(normal.x));
+		binormal+=(vec3(0.0,0.0,-1.0)*abs(normal.y));
+		binormal+=(vec3(0.0,1.0,0.0)*abs(normal.z));
+		binormal=normalize(binormal);
+		m_uv1_power_normal=pow(abs(normal), vec3(m_uv1_blend_sharpness));
+		m_uv1_power_normal/=dot(m_uv1_power_normal, vec3(1.0,1.0,1.0));
+		m_uv1_triplanar_pos=((vertex.xyz*m_uv1_scale)+m_uv1_offset);
+		m_uv1_triplanar_pos*=vec3(1.0,-1.0,1.0);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-16.shader_test b/shaders/godot3.4/22-16.shader_test
new file mode 100644
index 0000000..be7064f
--- /dev/null
+++ b/shaders/godot3.4/22-16.shader_test
@@ -0,0 +1,3264 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	m_albedo_tex *= color_interp;
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-21.shader_test b/shaders/godot3.4/22-21.shader_test
new file mode 100644
index 0000000..6894f15
--- /dev/null
+++ b/shaders/godot3.4/22-21.shader_test
@@ -0,0 +1,2403 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+bool m_orthogonal;
+float m_grid_size;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		albedo=color_interp.rgb;
+		vec3 m_dir=(m_orthogonal?-vec3(0.0,0.0,1.0):view);
+		float m_angle_fade=abs(dot(m_dir, normal));
+		m_angle_fade=smoothstep(0.05, 0.2, m_angle_fade);
+		vec3 m_world_pos=(camera_matrix*vec4(vertex.xyz, 1.0)).xyz;
+		vec3 m_world_normal=(camera_matrix*vec4(normal, 0.0)).xyz;
+		vec3 m_camera_world_pos=camera_matrix[3].xyz;
+		vec3 m_camera_world_pos_on_plane=(m_camera_world_pos*(1.0-m_world_normal));
+		float m_dist_fade=(1.0-(distance(m_world_pos, m_camera_world_pos_on_plane)/m_grid_size));
+		m_dist_fade=smoothstep(0.02, 0.3, m_dist_fade);
+		alpha=((color_interp.a*m_dist_fade)*m_angle_fade);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+bool m_orthogonal;
+float m_grid_size;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		if (!SHADER_IS_SRGB)
+		{
+					{
+			color_interp.rgb=mix(pow(((color_interp.rgb+vec3(0.055,0.055,0.055))*(1.0/(1.0+0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb*(1.0/12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+		}
+;
+		}
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-3.shader_test b/shaders/godot3.4/22-3.shader_test
new file mode 100644
index 0000000..98d5f14
--- /dev/null
+++ b/shaders/godot3.4/22-3.shader_test
@@ -0,0 +1,1564 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define USE_LIGHTING
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define USE_LIGHTING
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-35.shader_test b/shaders/godot3.4/22-35.shader_test
new file mode 100644
index 0000000..02ef7dc
--- /dev/null
+++ b/shaders/godot3.4/22-35.shader_test
@@ -0,0 +1,2424 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-38.shader_test b/shaders/godot3.4/22-38.shader_test
new file mode 100644
index 0000000..14f897b
--- /dev/null
+++ b/shaders/godot3.4/22-38.shader_test
@@ -0,0 +1,330 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define GLOW_GAUSSIAN_VERTICAL
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+uniform sampler2D source_color; //texunit:0
+
+#ifdef SSAO_MERGE
+uniform sampler2D source_ssao; //texunit:1
+#endif
+
+uniform float lod;
+uniform vec2 pixel_size;
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef SSAO_MERGE
+
+uniform vec4 ssao_color;
+
+#endif
+
+#if defined(GLOW_GAUSSIAN_HORIZONTAL) || defined(GLOW_GAUSSIAN_VERTICAL)
+
+uniform float glow_strength;
+
+#endif
+
+#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
+
+#ifdef DOF_QUALITY_LOW
+const int dof_kernel_size = 5;
+const int dof_kernel_from = 2;
+const float dof_kernel[5] = float[](0.153388, 0.221461, 0.250301, 0.221461, 0.153388);
+#endif
+
+#ifdef DOF_QUALITY_MEDIUM
+const int dof_kernel_size = 11;
+const int dof_kernel_from = 5;
+const float dof_kernel[11] = float[](0.055037, 0.072806, 0.090506, 0.105726, 0.116061, 0.119726, 0.116061, 0.105726, 0.090506, 0.072806, 0.055037);
+
+#endif
+
+#ifdef DOF_QUALITY_HIGH
+const int dof_kernel_size = 21;
+const int dof_kernel_from = 10;
+const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174);
+#endif
+
+uniform sampler2D dof_source_depth; //texunit:1
+uniform float dof_begin;
+uniform float dof_end;
+uniform vec2 dof_dir;
+uniform float dof_radius;
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+uniform sampler2D source_dof_original; //texunit:2
+#endif
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+uniform float exposure;
+uniform float white;
+uniform highp float luminance_cap;
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+
+#endif
+
+uniform float glow_bloom;
+uniform float glow_hdr_threshold;
+uniform float glow_hdr_scale;
+
+#endif
+
+uniform float camera_z_far;
+uniform float camera_z_near;
+
+void main() {
+#ifdef GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+	// sigma 2
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.214607;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.071303;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303;
+	frag_color = color;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.38774;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.06136;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.06136;
+	frag_color = color;
+#endif
+
+	//glow uses larger sigma for a more rounded blur effect
+
+#ifdef GLOW_GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+
+#ifdef USE_GLOW_HIGH_QUALITY
+	// Sample from two lines to capture single-pixel features.
+	// This is significantly slower, but looks better and is more stable for moving objects.
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 0.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 0.0) * pix_size, lod) * 0.063327;
+
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 1.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 1.0) * pix_size, lod) * 0.063327;
+	color *= 0.5;
+#else
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595;
+#endif //USE_GLOW_HIGH_QUALITY
+
+	color *= glow_strength;
+	frag_color = color;
+#endif //GLOW_GAUSSIAN_HORIZONTAL
+
+#ifdef GLOW_GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581;
+	color *= glow_strength;
+	frag_color = color;
+#endif
+
+#ifdef DOF_FAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float depth = textureLod(dof_source_depth, uv_interp, 0.0).r;
+	depth = depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near));
+#endif
+
+	float amount = smoothstep(dof_begin, dof_end, depth);
+	float k_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * amount * dof_radius;
+
+		float tap_k = dof_kernel[i];
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = mix(smoothstep(dof_begin, dof_end, tap_depth), 1.0, int_ofs == 0);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0) * tap_k;
+
+		k_accum += tap_k * tap_amount;
+		color_accum += tap_color * tap_amount;
+	}
+
+	if (k_accum > 0.0) {
+		color_accum /= k_accum;
+	}
+
+	frag_color = color_accum; ///k_accum;
+
+#endif
+
+#ifdef DOF_NEAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float max_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * dof_radius;
+		float ofs_influence = max(0.0, 1.0 - float(abs(int_ofs)) / float(dof_kernel_from));
+
+		float tap_k = dof_kernel[i];
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0);
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+#ifdef DOF_NEAR_FIRST_TAP
+
+		tap_color.a = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+
+#endif
+
+		max_accum = max(max_accum, tap_amount * ofs_influence);
+
+		color_accum += tap_color * tap_k;
+	}
+
+	color_accum.a = max(color_accum.a, sqrt(max_accum));
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+	vec4 original = textureLod(source_dof_original, uv_interp, 0.0);
+	color_accum = mix(original, color_accum, color_accum.a);
+
+#endif
+
+#ifndef DOF_NEAR_FIRST_TAP
+	//color_accum=vec4(vec3(color_accum.a),1.0);
+#endif
+	frag_color = color_accum;
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+	frag_color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+	frag_color *= exposure;
+
+	float luminance = max(frag_color.r, max(frag_color.g, frag_color.b));
+	float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom);
+
+	frag_color = min(frag_color * feedback, vec4(luminance_cap));
+
+#endif
+
+#ifdef SIMPLE_COPY
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	frag_color = color;
+#endif
+
+#ifdef SSAO_MERGE
+
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	float ssao = textureLod(source_ssao, uv_interp, 0.0).r;
+
+	frag_color = vec4(mix(color.rgb, color.rgb * mix(ssao_color.rgb, vec3(1.0), ssao), color.a), 1.0);
+
+#endif
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define GLOW_GAUSSIAN_VERTICAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+#ifdef USE_BLUR_SECTION
+
+uniform vec4 blur_section;
+
+#endif
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+#ifdef USE_BLUR_SECTION
+
+	uv_interp = blur_section.xy + uv_interp * blur_section.zw;
+	gl_Position.xy = (blur_section.xy + (gl_Position.xy * 0.5 + 0.5) * blur_section.zw) * 2.0 - 1.0;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-42.shader_test b/shaders/godot3.4/22-42.shader_test
new file mode 100644
index 0000000..423bbd3
--- /dev/null
+++ b/shaders/godot3.4/22-42.shader_test
@@ -0,0 +1,2373 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-44.shader_test b/shaders/godot3.4/22-44.shader_test
new file mode 100644
index 0000000..6eff5e4
--- /dev/null
+++ b/shaders/godot3.4/22-44.shader_test
@@ -0,0 +1,2418 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-46.shader_test b/shaders/godot3.4/22-46.shader_test
new file mode 100644
index 0000000..15ac9ea
--- /dev/null
+++ b/shaders/godot3.4/22-46.shader_test
@@ -0,0 +1,3261 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_LIGHTING
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_LIGHTING
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-48.shader_test b/shaders/godot3.4/22-48.shader_test
new file mode 100644
index 0000000..244e524
--- /dev/null
+++ b/shaders/godot3.4/22-48.shader_test
@@ -0,0 +1,1588 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_min_value;
+uniform highp float m_max_value;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_color = texture2D(color_texture, uv);
+	float m_gray = m_color.x;
+	if ((m_gray < m_min_value))
+	{
+			{
+		m_color = vec4(0.0,0.0,0.0,1.0);
+	}
+;
+	}
+	else
+	{
+		if ((m_gray > m_max_value))
+		{
+					{
+			m_color = vec4(1.0,1.0,1.0,1.0);
+		}
+;
+		}
+	}
+	color = m_color;
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_min_value;
+uniform highp float m_max_value;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-58.shader_test b/shaders/godot3.4/22-58.shader_test
new file mode 100644
index 0000000..f53f864
--- /dev/null
+++ b/shaders/godot3.4/22-58.shader_test
@@ -0,0 +1,893 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_UV_USED
+#define SCREEN_TEXTURE_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+float m_size_x;
+float m_size_y;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+	{
+		vec2 m_uv=screen_uv;
+		m_uv-=mod(m_uv, vec2(m_size_x, m_size_y));
+		color.rgb=textureLod(screen_texture, m_uv, 0.0).rgb;
+	}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_UV_USED
+#define SCREEN_TEXTURE_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+float m_size_x;
+float m_size_y;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-62.shader_test b/shaders/godot3.4/22-62.shader_test
new file mode 100644
index 0000000..e9d6a20
--- /dev/null
+++ b/shaders/godot3.4/22-62.shader_test
@@ -0,0 +1,1562 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_PIXEL_SNAP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_PIXEL_SNAP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/22-69.shader_test b/shaders/godot3.4/22-69.shader_test
new file mode 100644
index 0000000..214cae5
--- /dev/null
+++ b/shaders/godot3.4/22-69.shader_test
@@ -0,0 +1,3261 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_OMNI
+#define USE_LIGHTING
+#define BASE_PASS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_OMNI
+#define USE_LIGHTING
+#define BASE_PASS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/25-12.shader_test b/shaders/godot3.4/25-12.shader_test
new file mode 100644
index 0000000..304412c
--- /dev/null
+++ b/shaders/godot3.4/25-12.shader_test
@@ -0,0 +1,2422 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/25-16.shader_test b/shaders/godot3.4/25-16.shader_test
new file mode 100644
index 0000000..4a9a339
--- /dev/null
+++ b/shaders/godot3.4/25-16.shader_test
@@ -0,0 +1,3220 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define BASE_PASS
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define BASE_PASS
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/25-18.shader_test b/shaders/godot3.4/25-18.shader_test
new file mode 100644
index 0000000..8eb6d99
--- /dev/null
+++ b/shaders/godot3.4/25-18.shader_test
@@ -0,0 +1,3220 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define RENDER_DEPTH
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define RENDER_DEPTH
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/25-32.shader_test b/shaders/godot3.4/25-32.shader_test
new file mode 100644
index 0000000..0e46d43
--- /dev/null
+++ b/shaders/godot3.4/25-32.shader_test
@@ -0,0 +1,2379 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/25-34.shader_test b/shaders/godot3.4/25-34.shader_test
new file mode 100644
index 0000000..02a779b
--- /dev/null
+++ b/shaders/godot3.4/25-34.shader_test
@@ -0,0 +1,2432 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/25-37.shader_test b/shaders/godot3.4/25-37.shader_test
new file mode 100644
index 0000000..581c843
--- /dev/null
+++ b/shaders/godot3.4/25-37.shader_test
@@ -0,0 +1,330 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define GLOW_GAUSSIAN_HORIZONTAL
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+uniform sampler2D source_color; //texunit:0
+
+#ifdef SSAO_MERGE
+uniform sampler2D source_ssao; //texunit:1
+#endif
+
+uniform float lod;
+uniform vec2 pixel_size;
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef SSAO_MERGE
+
+uniform vec4 ssao_color;
+
+#endif
+
+#if defined(GLOW_GAUSSIAN_HORIZONTAL) || defined(GLOW_GAUSSIAN_VERTICAL)
+
+uniform float glow_strength;
+
+#endif
+
+#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
+
+#ifdef DOF_QUALITY_LOW
+const int dof_kernel_size = 5;
+const int dof_kernel_from = 2;
+const float dof_kernel[5] = float[](0.153388, 0.221461, 0.250301, 0.221461, 0.153388);
+#endif
+
+#ifdef DOF_QUALITY_MEDIUM
+const int dof_kernel_size = 11;
+const int dof_kernel_from = 5;
+const float dof_kernel[11] = float[](0.055037, 0.072806, 0.090506, 0.105726, 0.116061, 0.119726, 0.116061, 0.105726, 0.090506, 0.072806, 0.055037);
+
+#endif
+
+#ifdef DOF_QUALITY_HIGH
+const int dof_kernel_size = 21;
+const int dof_kernel_from = 10;
+const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174);
+#endif
+
+uniform sampler2D dof_source_depth; //texunit:1
+uniform float dof_begin;
+uniform float dof_end;
+uniform vec2 dof_dir;
+uniform float dof_radius;
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+uniform sampler2D source_dof_original; //texunit:2
+#endif
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+uniform float exposure;
+uniform float white;
+uniform highp float luminance_cap;
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+
+#endif
+
+uniform float glow_bloom;
+uniform float glow_hdr_threshold;
+uniform float glow_hdr_scale;
+
+#endif
+
+uniform float camera_z_far;
+uniform float camera_z_near;
+
+void main() {
+#ifdef GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+	// sigma 2
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.214607;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.071303;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303;
+	frag_color = color;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.38774;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.06136;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.06136;
+	frag_color = color;
+#endif
+
+	//glow uses larger sigma for a more rounded blur effect
+
+#ifdef GLOW_GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+
+#ifdef USE_GLOW_HIGH_QUALITY
+	// Sample from two lines to capture single-pixel features.
+	// This is significantly slower, but looks better and is more stable for moving objects.
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 0.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 0.0) * pix_size, lod) * 0.063327;
+
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 1.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 1.0) * pix_size, lod) * 0.063327;
+	color *= 0.5;
+#else
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595;
+#endif //USE_GLOW_HIGH_QUALITY
+
+	color *= glow_strength;
+	frag_color = color;
+#endif //GLOW_GAUSSIAN_HORIZONTAL
+
+#ifdef GLOW_GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581;
+	color *= glow_strength;
+	frag_color = color;
+#endif
+
+#ifdef DOF_FAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float depth = textureLod(dof_source_depth, uv_interp, 0.0).r;
+	depth = depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near));
+#endif
+
+	float amount = smoothstep(dof_begin, dof_end, depth);
+	float k_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * amount * dof_radius;
+
+		float tap_k = dof_kernel[i];
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = mix(smoothstep(dof_begin, dof_end, tap_depth), 1.0, int_ofs == 0);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0) * tap_k;
+
+		k_accum += tap_k * tap_amount;
+		color_accum += tap_color * tap_amount;
+	}
+
+	if (k_accum > 0.0) {
+		color_accum /= k_accum;
+	}
+
+	frag_color = color_accum; ///k_accum;
+
+#endif
+
+#ifdef DOF_NEAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float max_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * dof_radius;
+		float ofs_influence = max(0.0, 1.0 - float(abs(int_ofs)) / float(dof_kernel_from));
+
+		float tap_k = dof_kernel[i];
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0);
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+#ifdef DOF_NEAR_FIRST_TAP
+
+		tap_color.a = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+
+#endif
+
+		max_accum = max(max_accum, tap_amount * ofs_influence);
+
+		color_accum += tap_color * tap_k;
+	}
+
+	color_accum.a = max(color_accum.a, sqrt(max_accum));
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+	vec4 original = textureLod(source_dof_original, uv_interp, 0.0);
+	color_accum = mix(original, color_accum, color_accum.a);
+
+#endif
+
+#ifndef DOF_NEAR_FIRST_TAP
+	//color_accum=vec4(vec3(color_accum.a),1.0);
+#endif
+	frag_color = color_accum;
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+	frag_color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+	frag_color *= exposure;
+
+	float luminance = max(frag_color.r, max(frag_color.g, frag_color.b));
+	float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom);
+
+	frag_color = min(frag_color * feedback, vec4(luminance_cap));
+
+#endif
+
+#ifdef SIMPLE_COPY
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	frag_color = color;
+#endif
+
+#ifdef SSAO_MERGE
+
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	float ssao = textureLod(source_ssao, uv_interp, 0.0).r;
+
+	frag_color = vec4(mix(color.rgb, color.rgb * mix(ssao_color.rgb, vec3(1.0), ssao), color.a), 1.0);
+
+#endif
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define GLOW_GAUSSIAN_HORIZONTAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+#ifdef USE_BLUR_SECTION
+
+uniform vec4 blur_section;
+
+#endif
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+#ifdef USE_BLUR_SECTION
+
+	uv_interp = blur_section.xy + uv_interp * blur_section.zw;
+	gl_Position.xy = (blur_section.xy + (gl_Position.xy * 0.5 + 0.5) * blur_section.zw) * 2.0 - 1.0;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/25-41.shader_test b/shaders/godot3.4/25-41.shader_test
new file mode 100644
index 0000000..9c78820
--- /dev/null
+++ b/shaders/godot3.4/25-41.shader_test
@@ -0,0 +1,2375 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_INSTANCING
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_INSTANCING
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/25-43.shader_test b/shaders/godot3.4/25-43.shader_test
new file mode 100644
index 0000000..e2b5340
--- /dev/null
+++ b/shaders/godot3.4/25-43.shader_test
@@ -0,0 +1,2420 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/25-53.shader_test b/shaders/godot3.4/25-53.shader_test
new file mode 100644
index 0000000..cd5d72f
--- /dev/null
+++ b/shaders/godot3.4/25-53.shader_test
@@ -0,0 +1,2432 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_INSTANCING
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		float m_metallic_tex=dot(texture(m_texture_metallic, m_base_uv), m_metallic_texture_channel);
+		metallic=(m_metallic_tex*m_metallic);
+		float m_roughness_tex=dot(texture(m_texture_roughness, m_base_uv), m_roughness_texture_channel);
+		roughness=(m_roughness_tex*m_roughness);
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_INSTANCING
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/25-57.shader_test b/shaders/godot3.4/25-57.shader_test
new file mode 100644
index 0000000..413fa4b
--- /dev/null
+++ b/shaders/godot3.4/25-57.shader_test
@@ -0,0 +1,895 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_UV_USED
+#define SCREEN_TEXTURE_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+float m_rotation;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+	{
+		vec2 m_uv=screen_uv;
+		vec2 m_rel=(m_uv-vec2(0.5,0.5));
+		float m_angle=(length(m_rel)*m_rotation);
+		mat2 m_rot=mat2(vec2(cos(m_angle), -sin(m_angle)), vec2(sin(m_angle), cos(m_angle)));
+		m_rel=(m_rot*m_rel);
+		m_uv=clamp((m_rel+vec2(0.5,0.5)), vec2(0.0,0.0), vec2(1.0,1.0));
+		color.rgb=textureLod(screen_texture, m_uv, 0.0).rgb;
+	}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_UV_USED
+#define SCREEN_TEXTURE_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+float m_rotation;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-1.shader_test b/shaders/godot3.4/28-1.shader_test
new file mode 100644
index 0000000..b1473f1
--- /dev/null
+++ b/shaders/godot3.4/28-1.shader_test
@@ -0,0 +1,1568 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTING
+#define USE_SHADOWS
+#define SHADOW_USE_GRADIENT
+#define SHADOW_FILTER_PCF7
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTING
+#define USE_SHADOWS
+#define SHADOW_USE_GRADIENT
+#define SHADOW_FILTER_PCF7
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-12.shader_test b/shaders/godot3.4/28-12.shader_test
new file mode 100644
index 0000000..ae84ec0
--- /dev/null
+++ b/shaders/godot3.4/28-12.shader_test
@@ -0,0 +1,2430 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-13.shader_test b/shaders/godot3.4/28-13.shader_test
new file mode 100644
index 0000000..6e86000
--- /dev/null
+++ b/shaders/godot3.4/28-13.shader_test
@@ -0,0 +1,3242 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define INVERSE_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp vec4 m_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	albedo = m_albedo.rgb;
+	alpha = m_albedo.a;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define INVERSE_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp vec4 m_albedo;
+
+mat3 m_orthonormalize(in mat3 m_m)
+{
+	vec3 m_x = normalize(m_m[0]);
+	vec3 m_y = normalize((m_m[1] - (m_x * dot(m_x, m_m[1]))));
+	vec3 m_z = (m_m[2] - (m_x * dot(m_x, m_m[2])));
+	m_z = normalize((m_z - (m_y * dot(m_y, m_m[2]))));
+	return mat3(m_x, m_y, m_z);
+}
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	mat3 m_mv = m_orthonormalize(mat3(modelview));
+	m_mv = inverse(m_mv);
+	vertex.xyz += (normal * 0.008);
+	vec3 m_camera_dir_local = (m_mv * vec3(0.0,0.0,1.0));
+	vec3 m_camera_up_local = (m_mv * vec3(0.0,1.0,0.0));
+	mat3 m_rotation_matrix = mat3(cross(m_camera_dir_local, m_camera_up_local), m_camera_up_local, m_camera_dir_local);
+	vertex.xyz = (m_rotation_matrix * vertex.xyz);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-16.shader_test b/shaders/godot3.4/28-16.shader_test
new file mode 100644
index 0000000..7b135ed
--- /dev/null
+++ b/shaders/godot3.4/28-16.shader_test
@@ -0,0 +1,3268 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	m_albedo_tex *= color_interp;
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-18.shader_test b/shaders/godot3.4/28-18.shader_test
new file mode 100644
index 0000000..1342757
--- /dev/null
+++ b/shaders/godot3.4/28-18.shader_test
@@ -0,0 +1,108 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+uniform highp samplerCube source_cube; //texunit:0
+/* clang-format on */
+varying vec2 uv_interp;
+
+uniform bool z_flip;
+uniform highp float z_far;
+uniform highp float z_near;
+uniform highp float bias;
+
+void main() {
+	highp vec3 normal = vec3(uv_interp * 2.0 - 1.0, 0.0);
+	/*
+	if (z_flip) {
+		normal.z = 0.5 - 0.5 * ((normal.x * normal.x) + (normal.y * normal.y));
+	} else {
+		normal.z = -0.5 + 0.5 * ((normal.x * normal.x) + (normal.y * normal.y));
+	}
+	*/
+
+	//normal.z = sqrt(1.0 - dot(normal.xy, normal.xy));
+	//normal.xy *= 1.0 + normal.z;
+
+	normal.z = 0.5 - 0.5 * ((normal.x * normal.x) + (normal.y * normal.y));
+	normal = normalize(normal);
+	/*
+	normal.z = 0.5;
+	normal = normalize(normal);
+	*/
+
+	if (!z_flip) {
+		normal.z = -normal.z;
+	}
+
+	//normal = normalize(vec3( uv_interp * 2.0 - 1.0, 1.0 ));
+	float depth = textureCube(source_cube, normal).r;
+
+	// absolute values for direction cosines, bigger value equals closer to basis axis
+	vec3 unorm = abs(normal);
+
+	if ((unorm.x >= unorm.y) && (unorm.x >= unorm.z)) {
+		// x code
+		unorm = normal.x > 0.0 ? vec3(1.0, 0.0, 0.0) : vec3(-1.0, 0.0, 0.0);
+	} else if ((unorm.y > unorm.x) && (unorm.y >= unorm.z)) {
+		// y code
+		unorm = normal.y > 0.0 ? vec3(0.0, 1.0, 0.0) : vec3(0.0, -1.0, 0.0);
+	} else if ((unorm.z > unorm.x) && (unorm.z > unorm.y)) {
+		// z code
+		unorm = normal.z > 0.0 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 0.0, -1.0);
+	} else {
+		// oh-no we messed up code
+		// has to be
+		unorm = vec3(1.0, 0.0, 0.0);
+	}
+
+	float depth_fix = 1.0 / dot(normal, unorm);
+
+	depth = 2.0 * depth - 1.0;
+	float linear_depth = 2.0 * z_near * z_far / (z_far + z_near - depth * (z_far - z_near));
+	gl_FragDepth = (linear_depth * depth_fix + bias) / z_far;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision mediump float;
+precision mediump int;
+#endif
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+attribute vec2 uv_in; // attrib:4
+
+varying vec2 uv_interp;
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-21.shader_test b/shaders/godot3.4/28-21.shader_test
new file mode 100644
index 0000000..852bd73
--- /dev/null
+++ b/shaders/godot3.4/28-21.shader_test
@@ -0,0 +1,283 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define LINEAR_TO_SRGB
+#define DISABLE_ALPHA
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#if !defined(USE_GLES_OVER_GL)
+precision mediump float;
+#endif
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+in vec3 cube_interp;
+#else
+in vec2 uv_interp;
+#endif
+
+#ifdef USE_ASYM_PANO
+uniform highp mat4 pano_transform;
+uniform highp vec4 asym_proj;
+#endif
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_TEXTURE3D
+#endif
+#ifdef USE_TEXTURE2DARRAY
+#endif
+#ifdef YCBCR_TO_SRGB
+#endif
+
+#ifdef USE_CUBEMAP
+uniform samplerCube source_cube; //texunit:0
+#elif defined(USE_TEXTURE3D)
+uniform sampler3D source_3d; //texunit:0
+#elif defined(USE_TEXTURE2DARRAY)
+uniform sampler2DArray source_2d_array; //texunit:0
+#else
+uniform sampler2D source; //texunit:0
+#endif
+
+#ifdef SEP_CBCR_TEXTURE
+uniform sampler2D CbCr; //texunit:1
+#endif
+
+/* clang-format on */
+
+#ifdef USE_LOD
+uniform float mip_level;
+#endif
+
+#if defined(USE_TEXTURE3D) || defined(USE_TEXTURE2DARRAY)
+uniform float layer;
+#endif
+
+#ifdef USE_MULTIPLIER
+uniform float multiplier;
+#endif
+
+#if defined(USE_PANORAMA) || defined(USE_ASYM_PANO)
+uniform highp mat4 sky_transform;
+
+vec4 texturePanorama(vec3 normal, sampler2D pano) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return textureLod(pano, st, 0.0);
+}
+
+#endif
+
+uniform vec2 pixel_size;
+
+in vec2 uv2_interp;
+
+#ifdef USE_BCS
+
+uniform vec3 bcs;
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+uniform sampler2D color_correction; //texunit:1
+
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+void main() {
+	//vec4 color = color_interp;
+
+#ifdef USE_PANORAMA
+
+	vec3 cube_normal = normalize(cube_interp);
+	cube_normal.z = -cube_normal.z;
+	cube_normal = mat3(sky_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(cube_normal, source);
+
+#elif defined(USE_ASYM_PANO)
+
+	// When an asymmetrical projection matrix is used (applicable for stereoscopic rendering i.e. VR) we need to do this calculation per fragment to get a perspective correct result.
+	// Asymmetrical projection means the center of projection is no longer in the center of the screen but shifted.
+	// The Matrix[2][0] (= asym_proj.x) and Matrix[2][1] (= asym_proj.z) values are what provide the right shift in the image.
+
+	vec3 cube_normal;
+	cube_normal.z = -1.0;
+	cube_normal.x = (cube_normal.z * (-uv_interp.x - asym_proj.x)) / asym_proj.y;
+	cube_normal.y = (cube_normal.z * (-uv_interp.y - asym_proj.z)) / asym_proj.a;
+	cube_normal = mat3(sky_transform) * mat3(pano_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(normalize(cube_normal.xyz), source);
+
+#elif defined(USE_CUBEMAP)
+	vec4 color = texture(source_cube, normalize(cube_interp));
+
+#elif defined(USE_TEXTURE3D)
+	vec4 color = textureLod(source_3d, vec3(uv_interp, layer), 0.0);
+#elif defined(USE_TEXTURE2DARRAY)
+	vec4 color = textureLod(source_2d_array, vec3(uv_interp, layer), 0.0);
+#elif defined(SEP_CBCR_TEXTURE)
+	vec4 color;
+	color.r = textureLod(source, uv_interp, 0.0).r;
+	color.gb = textureLod(CbCr, uv_interp, 0.0).rg - vec2(0.5, 0.5);
+	color.a = 1.0;
+#else
+#ifdef USE_LOD
+	vec4 color = textureLod(source, uv_interp, mip_level);
+#else
+	vec4 color = textureLod(source, uv_interp, 0.0);
+#endif
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+
+#elif defined(YCBCR_TO_SRGB)
+
+	// YCbCr -> SRGB conversion
+	// Using BT.709 which is the standard for HDTV
+	color.rgb = mat3(
+						vec3(1.00000, 1.00000, 1.00000),
+						vec3(0.00000, -0.18732, 1.85560),
+						vec3(1.57481, -0.46813, 0.00000)) *
+			color.rgb;
+
+#endif
+
+#ifdef SRGB_TO_LINEAR
+
+	color.rgb = mix(pow((color.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), color.rgb * (1.0 / 12.92), lessThan(color.rgb, vec3(0.04045)));
+#endif
+
+#ifdef DEBUG_GRADIENT
+	color.rg = uv_interp;
+	color.b = 0.0;
+#endif
+
+#ifdef DISABLE_ALPHA
+	color.a = 1.0;
+#endif
+
+#ifdef GAUSSIAN_HORIZONTAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(2.0, 0.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(-1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(-2.0, 0.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(0.0, 1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, 2.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(0.0, -1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, -2.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef USE_BCS
+
+	color.rgb = mix(vec3(0.0), color.rgb, bcs.x);
+	color.rgb = mix(vec3(0.5), color.rgb, bcs.y);
+	color.rgb = mix(vec3(dot(vec3(1.0), color.rgb) * 0.33333), color.rgb, bcs.z);
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+	color.r = texture(color_correction, vec2(color.r, 0.0)).r;
+	color.g = texture(color_correction, vec2(color.g, 0.0)).g;
+	color.b = texture(color_correction, vec2(color.b, 0.0)).b;
+#endif
+
+#ifdef USE_MULTIPLIER
+	color.rgb *= multiplier;
+#endif
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define LINEAR_TO_SRGB
+#define DISABLE_ALPHA
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+layout(location = 4) in vec3 cube_in;
+#else
+layout(location = 4) in vec2 uv_in;
+#endif
+layout(location = 5) in vec2 uv2_in;
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+out vec3 cube_interp;
+#else
+out vec2 uv_interp;
+#endif
+
+out vec2 uv2_interp;
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_DISPLAY_TRANSFORM
+#endif
+
+#ifdef USE_COPY_SECTION
+
+uniform vec4 copy_section;
+
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+uniform highp mat4 display_transform;
+
+#endif
+
+void main() {
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+	cube_interp = cube_in;
+#elif defined(USE_ASYM_PANO)
+	uv_interp = vertex_attrib.xy;
+#else
+	uv_interp = uv_in;
+#ifdef V_FLIP
+	uv_interp.y = 1.0 - uv_interp.y;
+#endif
+
+#endif
+	uv2_interp = uv2_in;
+	gl_Position = vertex_attrib;
+
+#ifdef USE_COPY_SECTION
+
+	uv_interp = copy_section.xy + uv_interp * copy_section.zw;
+	gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0;
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+	uv_interp = (display_transform * vec4(uv_in, 1.0, 1.0)).xy;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-34.shader_test b/shaders/godot3.4/28-34.shader_test
new file mode 100644
index 0000000..ac05fa2
--- /dev/null
+++ b/shaders/godot3.4/28-34.shader_test
@@ -0,0 +1,2385 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-37.shader_test b/shaders/godot3.4/28-37.shader_test
new file mode 100644
index 0000000..b576a89
--- /dev/null
+++ b/shaders/godot3.4/28-37.shader_test
@@ -0,0 +1,501 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_AUTO_EXPOSURE
+#define USE_GLOW_FILTER_BICUBIC
+#define USE_GLOW_LEVEL4
+#define USE_GLOW_LEVEL5
+#define USE_GLOW_LEVEL7
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+
+uniform highp sampler2D source; //texunit:0
+
+uniform float exposure;
+uniform float white;
+
+#ifdef USE_AUTO_EXPOSURE
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+#endif
+
+#if defined(USE_GLOW_LEVEL1) || defined(USE_GLOW_LEVEL2) || defined(USE_GLOW_LEVEL3) || defined(USE_GLOW_LEVEL4) || defined(USE_GLOW_LEVEL5) || defined(USE_GLOW_LEVEL6) || defined(USE_GLOW_LEVEL7)
+#define USING_GLOW // only use glow when at least one glow level is selected
+
+uniform highp sampler2D source_glow; //texunit:2
+uniform highp float glow_intensity;
+#endif
+
+#ifdef USE_BCS
+uniform vec3 bcs;
+#endif
+
+#ifdef USE_FXAA
+uniform vec2 pixel_size;
+#endif
+
+#ifdef USE_SHARPENING
+uniform float sharpen_intensity;
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+uniform sampler2D color_correction; //texunit:3
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef USE_GLOW_FILTER_BICUBIC
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0f / 6.0f) * (a * (a * (-a + 3.0f) - 3.0f) + 1.0f);
+}
+
+float w1(float a) {
+	return (1.0f / 6.0f) * (a * a * (3.0f * a - 6.0f) + 4.0f);
+}
+
+float w2(float a) {
+	return (1.0f / 6.0f) * (a * (a * (-3.0f * a + 3.0f) + 3.0f) + 1.0f);
+}
+
+float w3(float a) {
+	return (1.0f / 6.0f) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0f + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0f + w3(a) / (w2(a) + w3(a));
+}
+
+uniform ivec2 glow_texture_size;
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv, int p_lod) {
+	float lod = float(p_lod);
+	vec2 tex_size = vec2(glow_texture_size >> p_lod);
+	vec2 texel_size = vec2(1.0f) / tex_size;
+
+	uv = uv * tex_size + vec2(0.5f);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5f)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5f)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5f)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5f)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * textureLod(tex, p0, lod) + g1x * textureLod(tex, p1, lod))) +
+			(g1(fuv.y) * (g0x * textureLod(tex, p2, lod) + g1x * textureLod(tex, p3, lod)));
+}
+
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2D_bicubic(m_tex, m_uv, m_lod)
+#else
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) textureLod(m_tex, m_uv, float(m_lod))
+#endif
+
+vec3 tonemap_filmic(vec3 color, float white) {
+	// exposure bias: input scale (color *= bias, white *= bias) to make the brightness consistent with other tonemappers
+	// also useful to scale the input to the range that the tonemapper is designed for (some require very high input values)
+	// has no effect on the curve's general shape or visual properties
+	const float exposure_bias = 2.0f;
+	const float A = 0.22f * exposure_bias * exposure_bias; // bias baked into constants for performance
+	const float B = 0.30f * exposure_bias;
+	const float C = 0.10f;
+	const float D = 0.20f;
+	const float E = 0.01f;
+	const float F = 0.30f;
+
+	vec3 color_tonemapped = ((color * (A * color + C * B) + D * E) / (color * (A * color + B) + D * F)) - E / F;
+	float white_tonemapped = ((white * (A * white + C * B) + D * E) / (white * (A * white + B) + D * F)) - E / F;
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+vec3 tonemap_aces(vec3 color, float white) {
+	const float exposure_bias = 0.85f;
+	const float A = 2.51f * exposure_bias * exposure_bias;
+	const float B = 0.03f * exposure_bias;
+	const float C = 2.43f * exposure_bias * exposure_bias;
+	const float D = 0.59f * exposure_bias;
+	const float E = 0.14f;
+
+	vec3 color_tonemapped = (color * (A * color + B)) / (color * (C * color + D) + E);
+	float white_tonemapped = (white * (A * white + B)) / (white * (C * white + D) + E);
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+// Adapted from https://github.com/TheRealMJP/BakingLab/blob/master/BakingLab/ACES.hlsl
+// (MIT License).
+vec3 tonemap_aces_fitted(vec3 color, float white) {
+	const float exposure_bias = 1.8f;
+	const float A = 0.0245786f;
+	const float B = 0.000090537f;
+	const float C = 0.983729f;
+	const float D = 0.432951f;
+	const float E = 0.238081f;
+
+	// Exposure bias baked into transform to save shader instructions. Equivalent to `color *= exposure_bias`
+	const mat3 rgb_to_rrt = mat3(
+			vec3(0.59719f * exposure_bias, 0.35458f * exposure_bias, 0.04823f * exposure_bias),
+			vec3(0.07600f * exposure_bias, 0.90834f * exposure_bias, 0.01566f * exposure_bias),
+			vec3(0.02840f * exposure_bias, 0.13383f * exposure_bias, 0.83777f * exposure_bias));
+
+	const mat3 odt_to_rgb = mat3(
+			vec3(1.60475f, -0.53108f, -0.07367f),
+			vec3(-0.10208f, 1.10813f, -0.00605f),
+			vec3(-0.00327f, -0.07276f, 1.07602f));
+
+	color *= rgb_to_rrt;
+	vec3 color_tonemapped = (color * (color + A) - B) / (color * (C * color + D) + E);
+	color_tonemapped *= odt_to_rgb;
+
+	white *= exposure_bias;
+	float white_tonemapped = (white * (white + A) - B) / (white * (C * white + D) + E);
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+vec3 tonemap_reinhard(vec3 color, float white) {
+	return clamp((white * color + color) / (color * white + white), vec3(0.0f), vec3(1.0f));
+}
+
+vec3 linear_to_srgb(vec3 color) { // convert linear rgb to srgb, assumes clamped input in range [0;1]
+	const vec3 a = vec3(0.055f);
+	return mix((vec3(1.0f) + a) * pow(color.rgb, vec3(1.0f / 2.4f)) - a, 12.92f * color.rgb, lessThan(color.rgb, vec3(0.0031308f)));
+}
+
+// inputs are LINEAR, If Linear tonemapping is selected no transform is performed else outputs are clamped [0, 1] color
+vec3 apply_tonemapping(vec3 color, float white) {
+	// Ensure color values are positive.
+	// They can be negative in the case of negative lights, which leads to undesired behavior.
+#if defined(USE_REINHARD_TONEMAPPER) || defined(USE_FILMIC_TONEMAPPER) || defined(USE_ACES_TONEMAPPER) || defined(USE_ACES_FITTED_TONEMAPPER)
+	color = max(vec3(0.0f), color);
+#endif
+
+#ifdef USE_REINHARD_TONEMAPPER
+	return tonemap_reinhard(color, white);
+#endif
+
+#ifdef USE_FILMIC_TONEMAPPER
+	return tonemap_filmic(color, white);
+#endif
+
+#ifdef USE_ACES_TONEMAPPER
+	return tonemap_aces(color, white);
+#endif
+
+#ifdef USE_ACES_FITTED_TONEMAPPER
+	return tonemap_aces_fitted(color, white);
+#endif
+
+	return color; // no other selected -> linear: no color transform applied
+}
+
+vec3 gather_glow(sampler2D tex, vec2 uv) { // sample all selected glow levels
+	vec3 glow = vec3(0.0f);
+
+#ifdef USE_GLOW_LEVEL1
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 1).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL2
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 2).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL3
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 3).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL4
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 4).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL5
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 5).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL6
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 6).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL7
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 7).rgb;
+#endif
+
+	return glow;
+}
+
+vec3 apply_glow(vec3 color, vec3 glow) { // apply glow using the selected blending mode
+#ifdef USE_GLOW_REPLACE
+	color = glow;
+#endif
+
+#ifdef USE_GLOW_SCREEN
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0f));
+	color = max((color + glow) - (color * glow), vec3(0.0));
+#endif
+
+#ifdef USE_GLOW_SOFTLIGHT
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0));
+	glow = glow * vec3(0.5f) + vec3(0.5f);
+
+	color.r = (glow.r <= 0.5f) ? (color.r - (1.0f - 2.0f * glow.r) * color.r * (1.0f - color.r)) : (((glow.r > 0.5f) && (color.r <= 0.25f)) ? (color.r + (2.0f * glow.r - 1.0f) * (4.0f * color.r * (4.0f * color.r + 1.0f) * (color.r - 1.0f) + 7.0f * color.r)) : (color.r + (2.0f * glow.r - 1.0f) * (sqrt(color.r) - color.r)));
+	color.g = (glow.g <= 0.5f) ? (color.g - (1.0f - 2.0f * glow.g) * color.g * (1.0f - color.g)) : (((glow.g > 0.5f) && (color.g <= 0.25f)) ? (color.g + (2.0f * glow.g - 1.0f) * (4.0f * color.g * (4.0f * color.g + 1.0f) * (color.g - 1.0f) + 7.0f * color.g)) : (color.g + (2.0f * glow.g - 1.0f) * (sqrt(color.g) - color.g)));
+	color.b = (glow.b <= 0.5f) ? (color.b - (1.0f - 2.0f * glow.b) * color.b * (1.0f - color.b)) : (((glow.b > 0.5f) && (color.b <= 0.25f)) ? (color.b + (2.0f * glow.b - 1.0f) * (4.0f * color.b * (4.0f * color.b + 1.0f) * (color.b - 1.0f) + 7.0f * color.b)) : (color.b + (2.0f * glow.b - 1.0f) * (sqrt(color.b) - color.b)));
+#endif
+
+#if !defined(USE_GLOW_SCREEN) && !defined(USE_GLOW_SOFTLIGHT) && !defined(USE_GLOW_REPLACE) // no other selected -> additive
+	color += glow;
+#endif
+
+	return color;
+}
+
+vec3 apply_bcs(vec3 color, vec3 bcs) {
+	color = mix(vec3(0.0f), color, bcs.x);
+	color = mix(vec3(0.5f), color, bcs.y);
+	color = mix(vec3(dot(vec3(1.0f), color) * 0.33333f), color, bcs.z);
+
+	return color;
+}
+
+vec3 apply_color_correction(vec3 color, sampler2D correction_tex) {
+	color.r = texture(correction_tex, vec2(color.r, 0.0f)).r;
+	color.g = texture(correction_tex, vec2(color.g, 0.0f)).g;
+	color.b = texture(correction_tex, vec2(color.b, 0.0f)).b;
+
+	return color;
+}
+
+vec3 apply_fxaa(vec3 color, float exposure, vec2 uv_interp, vec2 pixel_size) {
+	const float FXAA_REDUCE_MIN = (1.0 / 128.0);
+	const float FXAA_REDUCE_MUL = (1.0 / 8.0);
+	const float FXAA_SPAN_MAX = 8.0;
+
+	vec3 rgbNW = textureLod(source, uv_interp + vec2(-1.0, -1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbNE = textureLod(source, uv_interp + vec2(1.0, -1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbSW = textureLod(source, uv_interp + vec2(-1.0, 1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbSE = textureLod(source, uv_interp + vec2(1.0, 1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbM = color;
+	vec3 luma = vec3(0.299, 0.587, 0.114);
+	float lumaNW = dot(rgbNW, luma);
+	float lumaNE = dot(rgbNE, luma);
+	float lumaSW = dot(rgbSW, luma);
+	float lumaSE = dot(rgbSE, luma);
+	float lumaM = dot(rgbM, luma);
+	float lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));
+	float lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));
+
+	vec2 dir;
+	dir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));
+	dir.y = ((lumaNW + lumaSW) - (lumaNE + lumaSE));
+
+	float dirReduce = max((lumaNW + lumaNE + lumaSW + lumaSE) *
+					(0.25 * FXAA_REDUCE_MUL),
+			FXAA_REDUCE_MIN);
+
+	float rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);
+	dir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX),
+				  max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX),
+						  dir * rcpDirMin)) *
+			pixel_size;
+
+	vec3 rgbA = 0.5 * exposure * (textureLod(source, uv_interp + dir * (1.0 / 3.0 - 0.5), 0.0).xyz + textureLod(source, uv_interp + dir * (2.0 / 3.0 - 0.5), 0.0).xyz);
+	vec3 rgbB = rgbA * 0.5 + 0.25 * exposure * (textureLod(source, uv_interp + dir * -0.5, 0.0).xyz + textureLod(source, uv_interp + dir * 0.5, 0.0).xyz);
+
+	float lumaB = dot(rgbB, luma);
+	if ((lumaB < lumaMin) || (lumaB > lumaMax)) {
+		return rgbA;
+	} else {
+		return rgbB;
+	}
+}
+
+// From http://alex.vlachos.com/graphics/Alex_Vlachos_Advanced_VR_Rendering_GDC2015.pdf
+// and https://www.shadertoy.com/view/MslGR8 (5th one starting from the bottom)
+// NOTE: `frag_coord` is in pixels (i.e. not normalized UV).
+vec3 screen_space_dither(vec2 frag_coord) {
+	// Iestyn's RGB dither (7 asm instructions) from Portal 2 X360, slightly modified for VR.
+	vec3 dither = vec3(dot(vec2(171.0, 231.0), frag_coord));
+	dither.rgb = fract(dither.rgb / vec3(103.0, 71.0, 97.0));
+
+	// Subtract 0.5 to avoid slightly brightening the whole viewport.
+	return (dither.rgb - 0.5) / 255.0;
+}
+
+// Adapted from https://github.com/DadSchoorse/vkBasalt/blob/b929505ba71dea21d6c32a5a59f2d241592b30c4/src/shader/cas.frag.glsl
+// (MIT license).
+vec3 apply_cas(vec3 color, float exposure, vec2 uv_interp, float sharpen_intensity) {
+	// Fetch a 3x3 neighborhood around the pixel 'e',
+	//  a b c
+	//  d(e)f
+	//  g h i
+	vec3 a = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, -1)).rgb * exposure;
+	vec3 b = textureLodOffset(source, uv_interp, 0.0, ivec2(0, -1)).rgb * exposure;
+	vec3 c = textureLodOffset(source, uv_interp, 0.0, ivec2(1, -1)).rgb * exposure;
+	vec3 d = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, 0)).rgb * exposure;
+	vec3 e = color.rgb;
+	vec3 f = textureLodOffset(source, uv_interp, 0.0, ivec2(1, 0)).rgb * exposure;
+	vec3 g = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, 1)).rgb * exposure;
+	vec3 h = textureLodOffset(source, uv_interp, 0.0, ivec2(0, 1)).rgb * exposure;
+	vec3 i = textureLodOffset(source, uv_interp, 0.0, ivec2(1, 1)).rgb * exposure;
+
+	// Soft min and max.
+	//  a b c             b
+	//  d e f * 0.5  +  d e f * 0.5
+	//  g h i             h
+	// These are 2.0x bigger (factored out the extra multiply).
+	vec3 min_rgb = min(min(min(d, e), min(f, b)), h);
+	vec3 min_rgb2 = min(min(min(min_rgb, a), min(g, c)), i);
+	min_rgb += min_rgb2;
+
+	vec3 max_rgb = max(max(max(d, e), max(f, b)), h);
+	vec3 max_rgb2 = max(max(max(max_rgb, a), max(g, c)), i);
+	max_rgb += max_rgb2;
+
+	// Smooth minimum distance to signal limit divided by smooth max.
+	vec3 rcp_max_rgb = vec3(1.0) / max_rgb;
+	vec3 amp_rgb = clamp((min(min_rgb, 2.0 - max_rgb) * rcp_max_rgb), 0.0, 1.0);
+
+	// Shaping amount of sharpening.
+	amp_rgb = inversesqrt(amp_rgb);
+	float peak = 8.0 - 3.0 * sharpen_intensity;
+	vec3 w_rgb = -vec3(1) / (amp_rgb * peak);
+	vec3 rcp_weight_rgb = vec3(1.0) / (1.0 + 4.0 * w_rgb);
+
+	//                          0 w 0
+	//  Filter shape:           w 1 w
+	//                          0 w 0
+	vec3 window = b + d + f + h;
+
+	return max(vec3(0.0), (window * w_rgb + e) * rcp_weight_rgb);
+}
+
+void main() {
+	vec3 color = textureLod(source, uv_interp, 0.0f).rgb;
+
+	// Exposure
+	float full_exposure = exposure;
+
+#ifdef USE_AUTO_EXPOSURE
+	full_exposure /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+
+	color *= full_exposure;
+
+#ifdef USE_FXAA
+	// FXAA must be applied before tonemapping.
+	color = apply_fxaa(color, full_exposure, uv_interp, pixel_size);
+#endif
+
+#ifdef USE_SHARPENING
+	// CAS gives best results when applied after tonemapping, but `source` isn't tonemapped.
+	// As a workaround, apply CAS before tonemapping so that the image still has a correct appearance when tonemapped.
+	color = apply_cas(color, full_exposure, uv_interp, sharpen_intensity);
+#endif
+
+#ifdef USE_DEBANDING
+	// For best results, debanding should be done before tonemapping.
+	// Otherwise, we're adding noise to an already-quantized image.
+	color += screen_space_dither(gl_FragCoord.xy);
+#endif
+
+	// Early Tonemap & SRGB Conversion; note that Linear tonemapping does not clamp to [0, 1]; some operations below expect a [0, 1] range and will clamp
+	color = apply_tonemapping(color, white);
+
+#ifdef KEEP_3D_LINEAR
+	// leave color as is (-> don't convert to SRGB)
+#else
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0f));
+	color = linear_to_srgb(color); // regular linear -> SRGB conversion (needs clamped values)
+#endif
+
+	// Glow
+
+#ifdef USING_GLOW
+	vec3 glow = gather_glow(source_glow, uv_interp) * glow_intensity;
+
+	// high dynamic range -> SRGB
+	glow = apply_tonemapping(glow, white);
+	glow = clamp(glow, vec3(0.0f), vec3(1.0f));
+	glow = linear_to_srgb(glow);
+
+	color = apply_glow(color, glow);
+#endif
+
+	// Additional effects
+
+#ifdef USE_BCS
+	color = apply_bcs(color, bcs);
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+	color = apply_color_correction(color, color_correction);
+#endif
+
+	frag_color = vec4(color, 1.0f);
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_AUTO_EXPOSURE
+#define USE_GLOW_FILTER_BICUBIC
+#define USE_GLOW_LEVEL4
+#define USE_GLOW_LEVEL5
+#define USE_GLOW_LEVEL7
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+void main() {
+	gl_Position = vertex_attrib;
+
+	uv_interp = uv_in;
+
+#ifdef V_FLIP
+	uv_interp.y = 1.0f - uv_interp.y;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-41.shader_test b/shaders/godot3.4/28-41.shader_test
new file mode 100644
index 0000000..3da3515
--- /dev/null
+++ b/shaders/godot3.4/28-41.shader_test
@@ -0,0 +1,2420 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-43.shader_test b/shaders/godot3.4/28-43.shader_test
new file mode 100644
index 0000000..94a8198
--- /dev/null
+++ b/shaders/godot3.4/28-43.shader_test
@@ -0,0 +1,2416 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-49.shader_test b/shaders/godot3.4/28-49.shader_test
new file mode 100644
index 0000000..6f9fbb4
--- /dev/null
+++ b/shaders/godot3.4/28-49.shader_test
@@ -0,0 +1,1566 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_INSTANCING
+#define USE_INSTANCE_CUSTOM
+#define USE_PIXEL_SNAP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_INSTANCING
+#define USE_INSTANCE_CUSTOM
+#define USE_PIXEL_SNAP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-51.shader_test b/shaders/godot3.4/28-51.shader_test
new file mode 100644
index 0000000..b4a5e63
--- /dev/null
+++ b/shaders/godot3.4/28-51.shader_test
@@ -0,0 +1,2422 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-55.shader_test b/shaders/godot3.4/28-55.shader_test
new file mode 100644
index 0000000..39876bb
--- /dev/null
+++ b/shaders/godot3.4/28-55.shader_test
@@ -0,0 +1,892 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_base;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+	{
+		vec3 m_c=textureLod(screen_texture, screen_uv, 0.0).rgb;
+		float m_v=dot(m_c, vec3(0.33333,0.33333,0.33333));
+		m_v=sqrt(m_v);
+		color.rgb=(m_base.rgb*m_v);
+	}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+vec4 m_base;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/28-63.shader_test b/shaders/godot3.4/28-63.shader_test
new file mode 100644
index 0000000..b4bc424
--- /dev/null
+++ b/shaders/godot3.4/28-63.shader_test
@@ -0,0 +1,3254 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-10.shader_test b/shaders/godot3.4/31-10.shader_test
new file mode 100644
index 0000000..ddf11ba
--- /dev/null
+++ b/shaders/godot3.4/31-10.shader_test
@@ -0,0 +1,332 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define GLOW_FIRST_PASS
+#define GLOW_GAUSSIAN_HORIZONTAL
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+uniform sampler2D source_color; //texunit:0
+
+#ifdef SSAO_MERGE
+uniform sampler2D source_ssao; //texunit:1
+#endif
+
+uniform float lod;
+uniform vec2 pixel_size;
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef SSAO_MERGE
+
+uniform vec4 ssao_color;
+
+#endif
+
+#if defined(GLOW_GAUSSIAN_HORIZONTAL) || defined(GLOW_GAUSSIAN_VERTICAL)
+
+uniform float glow_strength;
+
+#endif
+
+#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
+
+#ifdef DOF_QUALITY_LOW
+const int dof_kernel_size = 5;
+const int dof_kernel_from = 2;
+const float dof_kernel[5] = float[](0.153388, 0.221461, 0.250301, 0.221461, 0.153388);
+#endif
+
+#ifdef DOF_QUALITY_MEDIUM
+const int dof_kernel_size = 11;
+const int dof_kernel_from = 5;
+const float dof_kernel[11] = float[](0.055037, 0.072806, 0.090506, 0.105726, 0.116061, 0.119726, 0.116061, 0.105726, 0.090506, 0.072806, 0.055037);
+
+#endif
+
+#ifdef DOF_QUALITY_HIGH
+const int dof_kernel_size = 21;
+const int dof_kernel_from = 10;
+const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174);
+#endif
+
+uniform sampler2D dof_source_depth; //texunit:1
+uniform float dof_begin;
+uniform float dof_end;
+uniform vec2 dof_dir;
+uniform float dof_radius;
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+uniform sampler2D source_dof_original; //texunit:2
+#endif
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+uniform float exposure;
+uniform float white;
+uniform highp float luminance_cap;
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+
+#endif
+
+uniform float glow_bloom;
+uniform float glow_hdr_threshold;
+uniform float glow_hdr_scale;
+
+#endif
+
+uniform float camera_z_far;
+uniform float camera_z_near;
+
+void main() {
+#ifdef GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+	// sigma 2
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.214607;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.071303;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303;
+	frag_color = color;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.38774;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.06136;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.06136;
+	frag_color = color;
+#endif
+
+	//glow uses larger sigma for a more rounded blur effect
+
+#ifdef GLOW_GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+
+#ifdef USE_GLOW_HIGH_QUALITY
+	// Sample from two lines to capture single-pixel features.
+	// This is significantly slower, but looks better and is more stable for moving objects.
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 0.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 0.0) * pix_size, lod) * 0.063327;
+
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 1.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 1.0) * pix_size, lod) * 0.063327;
+	color *= 0.5;
+#else
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595;
+#endif //USE_GLOW_HIGH_QUALITY
+
+	color *= glow_strength;
+	frag_color = color;
+#endif //GLOW_GAUSSIAN_HORIZONTAL
+
+#ifdef GLOW_GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581;
+	color *= glow_strength;
+	frag_color = color;
+#endif
+
+#ifdef DOF_FAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float depth = textureLod(dof_source_depth, uv_interp, 0.0).r;
+	depth = depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near));
+#endif
+
+	float amount = smoothstep(dof_begin, dof_end, depth);
+	float k_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * amount * dof_radius;
+
+		float tap_k = dof_kernel[i];
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = mix(smoothstep(dof_begin, dof_end, tap_depth), 1.0, int_ofs == 0);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0) * tap_k;
+
+		k_accum += tap_k * tap_amount;
+		color_accum += tap_color * tap_amount;
+	}
+
+	if (k_accum > 0.0) {
+		color_accum /= k_accum;
+	}
+
+	frag_color = color_accum; ///k_accum;
+
+#endif
+
+#ifdef DOF_NEAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float max_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * dof_radius;
+		float ofs_influence = max(0.0, 1.0 - float(abs(int_ofs)) / float(dof_kernel_from));
+
+		float tap_k = dof_kernel[i];
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0);
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+#ifdef DOF_NEAR_FIRST_TAP
+
+		tap_color.a = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+
+#endif
+
+		max_accum = max(max_accum, tap_amount * ofs_influence);
+
+		color_accum += tap_color * tap_k;
+	}
+
+	color_accum.a = max(color_accum.a, sqrt(max_accum));
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+	vec4 original = textureLod(source_dof_original, uv_interp, 0.0);
+	color_accum = mix(original, color_accum, color_accum.a);
+
+#endif
+
+#ifndef DOF_NEAR_FIRST_TAP
+	//color_accum=vec4(vec3(color_accum.a),1.0);
+#endif
+	frag_color = color_accum;
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+	frag_color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+	frag_color *= exposure;
+
+	float luminance = max(frag_color.r, max(frag_color.g, frag_color.b));
+	float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom);
+
+	frag_color = min(frag_color * feedback, vec4(luminance_cap));
+
+#endif
+
+#ifdef SIMPLE_COPY
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	frag_color = color;
+#endif
+
+#ifdef SSAO_MERGE
+
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	float ssao = textureLod(source_ssao, uv_interp, 0.0).r;
+
+	frag_color = vec4(mix(color.rgb, color.rgb * mix(ssao_color.rgb, vec3(1.0), ssao), color.a), 1.0);
+
+#endif
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define GLOW_FIRST_PASS
+#define GLOW_GAUSSIAN_HORIZONTAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+#ifdef USE_BLUR_SECTION
+
+uniform vec4 blur_section;
+
+#endif
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+#ifdef USE_BLUR_SECTION
+
+	uv_interp = blur_section.xy + uv_interp * blur_section.zw;
+	gl_Position.xy = (blur_section.xy + (gl_Position.xy * 0.5 + 0.5) * blur_section.zw) * 2.0 - 1.0;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-12.shader_test b/shaders/godot3.4/31-12.shader_test
new file mode 100644
index 0000000..cc8c1cc
--- /dev/null
+++ b/shaders/godot3.4/31-12.shader_test
@@ -0,0 +1,3244 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_COLOR_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_grid_size;
+uniform bool m_orthogonal;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	albedo = color_interp.rgb;
+	vec3 m_dir = (m_orthogonal ? -vec3(0.0,0.0,1.0) : view);
+	float m_angle_fade = abs(dot(m_dir, normal));
+	m_angle_fade = smoothstep(0.05, 0.2, m_angle_fade);
+	vec3 m_world_pos = (camera_matrix * vec4(vertex.xyz, 1.0)).xyz;
+	vec3 m_world_normal = (camera_matrix * vec4(normal, 0.0)).xyz;
+	vec3 m_camera_world_pos = camera_matrix[3].xyz;
+	vec3 m_camera_world_pos_on_plane = (m_camera_world_pos * (1.0 - m_world_normal));
+	float m_dist_fade = (1.0 - (distance(m_world_pos, m_camera_world_pos_on_plane) / m_grid_size));
+	m_dist_fade = smoothstep(0.02, 0.3, m_dist_fade);
+	alpha = ((color_interp.a * m_dist_fade) * m_angle_fade);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_COLOR_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_grid_size;
+uniform bool m_orthogonal;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-16.shader_test b/shaders/godot3.4/31-16.shader_test
new file mode 100644
index 0000000..324eb01
--- /dev/null
+++ b/shaders/godot3.4/31-16.shader_test
@@ -0,0 +1,3230 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_OMNI
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_5
+#define BASE_PASS
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_OMNI
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_5
+#define BASE_PASS
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-17.shader_test b/shaders/godot3.4/31-17.shader_test
new file mode 100644
index 0000000..d136f39
--- /dev/null
+++ b/shaders/godot3.4/31-17.shader_test
@@ -0,0 +1,3244 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_COLOR_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform bool m_orthogonal;
+uniform highp float m_grid_size;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	albedo = color_interp.rgb;
+	vec3 m_dir = (m_orthogonal ? -vec3(0.0,0.0,1.0) : view);
+	float m_angle_fade = abs(dot(m_dir, normal));
+	m_angle_fade = smoothstep(0.05, 0.2, m_angle_fade);
+	vec3 m_world_pos = (camera_matrix * vec4(vertex.xyz, 1.0)).xyz;
+	vec3 m_world_normal = (camera_matrix * vec4(normal, 0.0)).xyz;
+	vec3 m_camera_world_pos = camera_matrix[3].xyz;
+	vec3 m_camera_world_pos_on_plane = (m_camera_world_pos * (1.0 - m_world_normal));
+	float m_dist_fade = (1.0 - (distance(m_world_pos, m_camera_world_pos_on_plane) / m_grid_size));
+	m_dist_fade = smoothstep(0.02, 0.3, m_dist_fade);
+	alpha = ((color_interp.a * m_dist_fade) * m_angle_fade);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_COLOR_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform bool m_orthogonal;
+uniform highp float m_grid_size;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-18.shader_test b/shaders/godot3.4/31-18.shader_test
new file mode 100644
index 0000000..a2ba21b
--- /dev/null
+++ b/shaders/godot3.4/31-18.shader_test
@@ -0,0 +1,3271 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_5
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define LIGHT_USE_PSSM_BLEND
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_5
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define LIGHT_USE_PSSM_BLEND
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-29.shader_test b/shaders/godot3.4/31-29.shader_test
new file mode 100644
index 0000000..fa0e98f
--- /dev/null
+++ b/shaders/godot3.4/31-29.shader_test
@@ -0,0 +1,491 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+
+uniform highp sampler2D source; //texunit:0
+
+uniform float exposure;
+uniform float white;
+
+#ifdef USE_AUTO_EXPOSURE
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+#endif
+
+#if defined(USE_GLOW_LEVEL1) || defined(USE_GLOW_LEVEL2) || defined(USE_GLOW_LEVEL3) || defined(USE_GLOW_LEVEL4) || defined(USE_GLOW_LEVEL5) || defined(USE_GLOW_LEVEL6) || defined(USE_GLOW_LEVEL7)
+#define USING_GLOW // only use glow when at least one glow level is selected
+
+uniform highp sampler2D source_glow; //texunit:2
+uniform highp float glow_intensity;
+#endif
+
+#ifdef USE_BCS
+uniform vec3 bcs;
+#endif
+
+#ifdef USE_FXAA
+uniform vec2 pixel_size;
+#endif
+
+#ifdef USE_SHARPENING
+uniform float sharpen_intensity;
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+uniform sampler2D color_correction; //texunit:3
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef USE_GLOW_FILTER_BICUBIC
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0f / 6.0f) * (a * (a * (-a + 3.0f) - 3.0f) + 1.0f);
+}
+
+float w1(float a) {
+	return (1.0f / 6.0f) * (a * a * (3.0f * a - 6.0f) + 4.0f);
+}
+
+float w2(float a) {
+	return (1.0f / 6.0f) * (a * (a * (-3.0f * a + 3.0f) + 3.0f) + 1.0f);
+}
+
+float w3(float a) {
+	return (1.0f / 6.0f) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0f + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0f + w3(a) / (w2(a) + w3(a));
+}
+
+uniform ivec2 glow_texture_size;
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv, int p_lod) {
+	float lod = float(p_lod);
+	vec2 tex_size = vec2(glow_texture_size >> p_lod);
+	vec2 texel_size = vec2(1.0f) / tex_size;
+
+	uv = uv * tex_size + vec2(0.5f);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5f)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5f)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5f)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5f)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * textureLod(tex, p0, lod) + g1x * textureLod(tex, p1, lod))) +
+			(g1(fuv.y) * (g0x * textureLod(tex, p2, lod) + g1x * textureLod(tex, p3, lod)));
+}
+
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2D_bicubic(m_tex, m_uv, m_lod)
+#else
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) textureLod(m_tex, m_uv, float(m_lod))
+#endif
+
+vec3 tonemap_filmic(vec3 color, float white) {
+	// exposure bias: input scale (color *= bias, white *= bias) to make the brightness consistent with other tonemappers
+	// also useful to scale the input to the range that the tonemapper is designed for (some require very high input values)
+	// has no effect on the curve's general shape or visual properties
+	const float exposure_bias = 2.0f;
+	const float A = 0.22f * exposure_bias * exposure_bias; // bias baked into constants for performance
+	const float B = 0.30f * exposure_bias;
+	const float C = 0.10f;
+	const float D = 0.20f;
+	const float E = 0.01f;
+	const float F = 0.30f;
+
+	vec3 color_tonemapped = ((color * (A * color + C * B) + D * E) / (color * (A * color + B) + D * F)) - E / F;
+	float white_tonemapped = ((white * (A * white + C * B) + D * E) / (white * (A * white + B) + D * F)) - E / F;
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+vec3 tonemap_aces(vec3 color, float white) {
+	const float exposure_bias = 0.85f;
+	const float A = 2.51f * exposure_bias * exposure_bias;
+	const float B = 0.03f * exposure_bias;
+	const float C = 2.43f * exposure_bias * exposure_bias;
+	const float D = 0.59f * exposure_bias;
+	const float E = 0.14f;
+
+	vec3 color_tonemapped = (color * (A * color + B)) / (color * (C * color + D) + E);
+	float white_tonemapped = (white * (A * white + B)) / (white * (C * white + D) + E);
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+// Adapted from https://github.com/TheRealMJP/BakingLab/blob/master/BakingLab/ACES.hlsl
+// (MIT License).
+vec3 tonemap_aces_fitted(vec3 color, float white) {
+	const float exposure_bias = 1.8f;
+	const float A = 0.0245786f;
+	const float B = 0.000090537f;
+	const float C = 0.983729f;
+	const float D = 0.432951f;
+	const float E = 0.238081f;
+
+	// Exposure bias baked into transform to save shader instructions. Equivalent to `color *= exposure_bias`
+	const mat3 rgb_to_rrt = mat3(
+			vec3(0.59719f * exposure_bias, 0.35458f * exposure_bias, 0.04823f * exposure_bias),
+			vec3(0.07600f * exposure_bias, 0.90834f * exposure_bias, 0.01566f * exposure_bias),
+			vec3(0.02840f * exposure_bias, 0.13383f * exposure_bias, 0.83777f * exposure_bias));
+
+	const mat3 odt_to_rgb = mat3(
+			vec3(1.60475f, -0.53108f, -0.07367f),
+			vec3(-0.10208f, 1.10813f, -0.00605f),
+			vec3(-0.00327f, -0.07276f, 1.07602f));
+
+	color *= rgb_to_rrt;
+	vec3 color_tonemapped = (color * (color + A) - B) / (color * (C * color + D) + E);
+	color_tonemapped *= odt_to_rgb;
+
+	white *= exposure_bias;
+	float white_tonemapped = (white * (white + A) - B) / (white * (C * white + D) + E);
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+vec3 tonemap_reinhard(vec3 color, float white) {
+	return clamp((white * color + color) / (color * white + white), vec3(0.0f), vec3(1.0f));
+}
+
+vec3 linear_to_srgb(vec3 color) { // convert linear rgb to srgb, assumes clamped input in range [0;1]
+	const vec3 a = vec3(0.055f);
+	return mix((vec3(1.0f) + a) * pow(color.rgb, vec3(1.0f / 2.4f)) - a, 12.92f * color.rgb, lessThan(color.rgb, vec3(0.0031308f)));
+}
+
+// inputs are LINEAR, If Linear tonemapping is selected no transform is performed else outputs are clamped [0, 1] color
+vec3 apply_tonemapping(vec3 color, float white) {
+	// Ensure color values are positive.
+	// They can be negative in the case of negative lights, which leads to undesired behavior.
+#if defined(USE_REINHARD_TONEMAPPER) || defined(USE_FILMIC_TONEMAPPER) || defined(USE_ACES_TONEMAPPER) || defined(USE_ACES_FITTED_TONEMAPPER)
+	color = max(vec3(0.0f), color);
+#endif
+
+#ifdef USE_REINHARD_TONEMAPPER
+	return tonemap_reinhard(color, white);
+#endif
+
+#ifdef USE_FILMIC_TONEMAPPER
+	return tonemap_filmic(color, white);
+#endif
+
+#ifdef USE_ACES_TONEMAPPER
+	return tonemap_aces(color, white);
+#endif
+
+#ifdef USE_ACES_FITTED_TONEMAPPER
+	return tonemap_aces_fitted(color, white);
+#endif
+
+	return color; // no other selected -> linear: no color transform applied
+}
+
+vec3 gather_glow(sampler2D tex, vec2 uv) { // sample all selected glow levels
+	vec3 glow = vec3(0.0f);
+
+#ifdef USE_GLOW_LEVEL1
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 1).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL2
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 2).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL3
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 3).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL4
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 4).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL5
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 5).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL6
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 6).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL7
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 7).rgb;
+#endif
+
+	return glow;
+}
+
+vec3 apply_glow(vec3 color, vec3 glow) { // apply glow using the selected blending mode
+#ifdef USE_GLOW_REPLACE
+	color = glow;
+#endif
+
+#ifdef USE_GLOW_SCREEN
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0f));
+	color = max((color + glow) - (color * glow), vec3(0.0));
+#endif
+
+#ifdef USE_GLOW_SOFTLIGHT
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0));
+	glow = glow * vec3(0.5f) + vec3(0.5f);
+
+	color.r = (glow.r <= 0.5f) ? (color.r - (1.0f - 2.0f * glow.r) * color.r * (1.0f - color.r)) : (((glow.r > 0.5f) && (color.r <= 0.25f)) ? (color.r + (2.0f * glow.r - 1.0f) * (4.0f * color.r * (4.0f * color.r + 1.0f) * (color.r - 1.0f) + 7.0f * color.r)) : (color.r + (2.0f * glow.r - 1.0f) * (sqrt(color.r) - color.r)));
+	color.g = (glow.g <= 0.5f) ? (color.g - (1.0f - 2.0f * glow.g) * color.g * (1.0f - color.g)) : (((glow.g > 0.5f) && (color.g <= 0.25f)) ? (color.g + (2.0f * glow.g - 1.0f) * (4.0f * color.g * (4.0f * color.g + 1.0f) * (color.g - 1.0f) + 7.0f * color.g)) : (color.g + (2.0f * glow.g - 1.0f) * (sqrt(color.g) - color.g)));
+	color.b = (glow.b <= 0.5f) ? (color.b - (1.0f - 2.0f * glow.b) * color.b * (1.0f - color.b)) : (((glow.b > 0.5f) && (color.b <= 0.25f)) ? (color.b + (2.0f * glow.b - 1.0f) * (4.0f * color.b * (4.0f * color.b + 1.0f) * (color.b - 1.0f) + 7.0f * color.b)) : (color.b + (2.0f * glow.b - 1.0f) * (sqrt(color.b) - color.b)));
+#endif
+
+#if !defined(USE_GLOW_SCREEN) && !defined(USE_GLOW_SOFTLIGHT) && !defined(USE_GLOW_REPLACE) // no other selected -> additive
+	color += glow;
+#endif
+
+	return color;
+}
+
+vec3 apply_bcs(vec3 color, vec3 bcs) {
+	color = mix(vec3(0.0f), color, bcs.x);
+	color = mix(vec3(0.5f), color, bcs.y);
+	color = mix(vec3(dot(vec3(1.0f), color) * 0.33333f), color, bcs.z);
+
+	return color;
+}
+
+vec3 apply_color_correction(vec3 color, sampler2D correction_tex) {
+	color.r = texture(correction_tex, vec2(color.r, 0.0f)).r;
+	color.g = texture(correction_tex, vec2(color.g, 0.0f)).g;
+	color.b = texture(correction_tex, vec2(color.b, 0.0f)).b;
+
+	return color;
+}
+
+vec3 apply_fxaa(vec3 color, float exposure, vec2 uv_interp, vec2 pixel_size) {
+	const float FXAA_REDUCE_MIN = (1.0 / 128.0);
+	const float FXAA_REDUCE_MUL = (1.0 / 8.0);
+	const float FXAA_SPAN_MAX = 8.0;
+
+	vec3 rgbNW = textureLod(source, uv_interp + vec2(-1.0, -1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbNE = textureLod(source, uv_interp + vec2(1.0, -1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbSW = textureLod(source, uv_interp + vec2(-1.0, 1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbSE = textureLod(source, uv_interp + vec2(1.0, 1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbM = color;
+	vec3 luma = vec3(0.299, 0.587, 0.114);
+	float lumaNW = dot(rgbNW, luma);
+	float lumaNE = dot(rgbNE, luma);
+	float lumaSW = dot(rgbSW, luma);
+	float lumaSE = dot(rgbSE, luma);
+	float lumaM = dot(rgbM, luma);
+	float lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));
+	float lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));
+
+	vec2 dir;
+	dir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));
+	dir.y = ((lumaNW + lumaSW) - (lumaNE + lumaSE));
+
+	float dirReduce = max((lumaNW + lumaNE + lumaSW + lumaSE) *
+					(0.25 * FXAA_REDUCE_MUL),
+			FXAA_REDUCE_MIN);
+
+	float rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);
+	dir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX),
+				  max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX),
+						  dir * rcpDirMin)) *
+			pixel_size;
+
+	vec3 rgbA = 0.5 * exposure * (textureLod(source, uv_interp + dir * (1.0 / 3.0 - 0.5), 0.0).xyz + textureLod(source, uv_interp + dir * (2.0 / 3.0 - 0.5), 0.0).xyz);
+	vec3 rgbB = rgbA * 0.5 + 0.25 * exposure * (textureLod(source, uv_interp + dir * -0.5, 0.0).xyz + textureLod(source, uv_interp + dir * 0.5, 0.0).xyz);
+
+	float lumaB = dot(rgbB, luma);
+	if ((lumaB < lumaMin) || (lumaB > lumaMax)) {
+		return rgbA;
+	} else {
+		return rgbB;
+	}
+}
+
+// From http://alex.vlachos.com/graphics/Alex_Vlachos_Advanced_VR_Rendering_GDC2015.pdf
+// and https://www.shadertoy.com/view/MslGR8 (5th one starting from the bottom)
+// NOTE: `frag_coord` is in pixels (i.e. not normalized UV).
+vec3 screen_space_dither(vec2 frag_coord) {
+	// Iestyn's RGB dither (7 asm instructions) from Portal 2 X360, slightly modified for VR.
+	vec3 dither = vec3(dot(vec2(171.0, 231.0), frag_coord));
+	dither.rgb = fract(dither.rgb / vec3(103.0, 71.0, 97.0));
+
+	// Subtract 0.5 to avoid slightly brightening the whole viewport.
+	return (dither.rgb - 0.5) / 255.0;
+}
+
+// Adapted from https://github.com/DadSchoorse/vkBasalt/blob/b929505ba71dea21d6c32a5a59f2d241592b30c4/src/shader/cas.frag.glsl
+// (MIT license).
+vec3 apply_cas(vec3 color, float exposure, vec2 uv_interp, float sharpen_intensity) {
+	// Fetch a 3x3 neighborhood around the pixel 'e',
+	//  a b c
+	//  d(e)f
+	//  g h i
+	vec3 a = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, -1)).rgb * exposure;
+	vec3 b = textureLodOffset(source, uv_interp, 0.0, ivec2(0, -1)).rgb * exposure;
+	vec3 c = textureLodOffset(source, uv_interp, 0.0, ivec2(1, -1)).rgb * exposure;
+	vec3 d = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, 0)).rgb * exposure;
+	vec3 e = color.rgb;
+	vec3 f = textureLodOffset(source, uv_interp, 0.0, ivec2(1, 0)).rgb * exposure;
+	vec3 g = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, 1)).rgb * exposure;
+	vec3 h = textureLodOffset(source, uv_interp, 0.0, ivec2(0, 1)).rgb * exposure;
+	vec3 i = textureLodOffset(source, uv_interp, 0.0, ivec2(1, 1)).rgb * exposure;
+
+	// Soft min and max.
+	//  a b c             b
+	//  d e f * 0.5  +  d e f * 0.5
+	//  g h i             h
+	// These are 2.0x bigger (factored out the extra multiply).
+	vec3 min_rgb = min(min(min(d, e), min(f, b)), h);
+	vec3 min_rgb2 = min(min(min(min_rgb, a), min(g, c)), i);
+	min_rgb += min_rgb2;
+
+	vec3 max_rgb = max(max(max(d, e), max(f, b)), h);
+	vec3 max_rgb2 = max(max(max(max_rgb, a), max(g, c)), i);
+	max_rgb += max_rgb2;
+
+	// Smooth minimum distance to signal limit divided by smooth max.
+	vec3 rcp_max_rgb = vec3(1.0) / max_rgb;
+	vec3 amp_rgb = clamp((min(min_rgb, 2.0 - max_rgb) * rcp_max_rgb), 0.0, 1.0);
+
+	// Shaping amount of sharpening.
+	amp_rgb = inversesqrt(amp_rgb);
+	float peak = 8.0 - 3.0 * sharpen_intensity;
+	vec3 w_rgb = -vec3(1) / (amp_rgb * peak);
+	vec3 rcp_weight_rgb = vec3(1.0) / (1.0 + 4.0 * w_rgb);
+
+	//                          0 w 0
+	//  Filter shape:           w 1 w
+	//                          0 w 0
+	vec3 window = b + d + f + h;
+
+	return max(vec3(0.0), (window * w_rgb + e) * rcp_weight_rgb);
+}
+
+void main() {
+	vec3 color = textureLod(source, uv_interp, 0.0f).rgb;
+
+	// Exposure
+	float full_exposure = exposure;
+
+#ifdef USE_AUTO_EXPOSURE
+	full_exposure /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+
+	color *= full_exposure;
+
+#ifdef USE_FXAA
+	// FXAA must be applied before tonemapping.
+	color = apply_fxaa(color, full_exposure, uv_interp, pixel_size);
+#endif
+
+#ifdef USE_SHARPENING
+	// CAS gives best results when applied after tonemapping, but `source` isn't tonemapped.
+	// As a workaround, apply CAS before tonemapping so that the image still has a correct appearance when tonemapped.
+	color = apply_cas(color, full_exposure, uv_interp, sharpen_intensity);
+#endif
+
+#ifdef USE_DEBANDING
+	// For best results, debanding should be done before tonemapping.
+	// Otherwise, we're adding noise to an already-quantized image.
+	color += screen_space_dither(gl_FragCoord.xy);
+#endif
+
+	// Early Tonemap & SRGB Conversion; note that Linear tonemapping does not clamp to [0, 1]; some operations below expect a [0, 1] range and will clamp
+	color = apply_tonemapping(color, white);
+
+#ifdef KEEP_3D_LINEAR
+	// leave color as is (-> don't convert to SRGB)
+#else
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0f));
+	color = linear_to_srgb(color); // regular linear -> SRGB conversion (needs clamped values)
+#endif
+
+	// Glow
+
+#ifdef USING_GLOW
+	vec3 glow = gather_glow(source_glow, uv_interp) * glow_intensity;
+
+	// high dynamic range -> SRGB
+	glow = apply_tonemapping(glow, white);
+	glow = clamp(glow, vec3(0.0f), vec3(1.0f));
+	glow = linear_to_srgb(glow);
+
+	color = apply_glow(color, glow);
+#endif
+
+	// Additional effects
+
+#ifdef USE_BCS
+	color = apply_bcs(color, bcs);
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+	color = apply_color_correction(color, color_correction);
+#endif
+
+	frag_color = vec4(color, 1.0f);
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+void main() {
+	gl_Position = vertex_attrib;
+
+	uv_interp = uv_in;
+
+#ifdef V_FLIP
+	uv_interp.y = 1.0f - uv_interp.y;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-32.shader_test b/shaders/godot3.4/31-32.shader_test
new file mode 100644
index 0000000..6f1a611
--- /dev/null
+++ b/shaders/godot3.4/31-32.shader_test
@@ -0,0 +1,2436 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHTMAP
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_LAYERED
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHTMAP
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_LAYERED
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-35.shader_test b/shaders/godot3.4/31-35.shader_test
new file mode 100644
index 0000000..cb26ffa
--- /dev/null
+++ b/shaders/godot3.4/31-35.shader_test
@@ -0,0 +1,100 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define EXPOSURE_END
+precision highp float;
+precision highp int;
+
+uniform highp sampler2D source_exposure; //texunit:0
+/* clang-format on */
+
+#ifdef EXPOSURE_BEGIN
+
+uniform highp ivec2 source_render_size;
+uniform highp ivec2 target_size;
+
+#endif
+
+#ifdef EXPOSURE_END
+
+uniform highp sampler2D prev_exposure; //texunit:1
+uniform highp float exposure_adjust;
+uniform highp float min_luminance;
+uniform highp float max_luminance;
+
+#endif
+
+layout(location = 0) out highp float exposure;
+
+void main() {
+#ifdef EXPOSURE_BEGIN
+
+	ivec2 src_pos = ivec2(gl_FragCoord.xy) * source_render_size / target_size;
+
+#if 1
+	//more precise and expensive, but less jittery
+	ivec2 next_pos = (ivec2(gl_FragCoord.xy) + ivec2(1)) * source_render_size / target_size;
+	next_pos = max(next_pos, src_pos + ivec2(1)); //so it at least reads one pixel
+	highp vec3 source_color = vec3(0.0);
+	for (int i = src_pos.x; i < next_pos.x; i++) {
+		for (int j = src_pos.y; j < next_pos.y; j++) {
+			source_color += texelFetch(source_exposure, ivec2(i, j), 0).rgb;
+		}
+	}
+
+	source_color /= float((next_pos.x - src_pos.x) * (next_pos.y - src_pos.y));
+#else
+	highp vec3 source_color = texelFetch(source_exposure, src_pos, 0).rgb;
+
+#endif
+
+	exposure = max(source_color.r, max(source_color.g, source_color.b));
+
+#else
+
+	ivec2 coord = ivec2(gl_FragCoord.xy);
+	exposure = texelFetch(source_exposure, coord * 3 + ivec2(0, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 0), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 1), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 2), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 2), 0).r;
+	exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 2), 0).r;
+	exposure *= (1.0 / 9.0);
+
+#ifdef EXPOSURE_END
+
+#ifdef EXPOSURE_FORCE_SET
+	//will stay as is
+#else
+	highp float prev_lum = texelFetch(prev_exposure, ivec2(0, 0), 0).r; //1 pixel previous exposure
+	exposure = clamp(prev_lum + (exposure - prev_lum) * exposure_adjust, min_luminance, max_luminance);
+
+#endif //EXPOSURE_FORCE_SET
+
+#endif //EXPOSURE_END
+
+#endif //EXPOSURE_BEGIN
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define EXPOSURE_END
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+
+void main() {
+	gl_Position = vertex_attrib;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-38.shader_test b/shaders/godot3.4/31-38.shader_test
new file mode 100644
index 0000000..93da193
--- /dev/null
+++ b/shaders/godot3.4/31-38.shader_test
@@ -0,0 +1,495 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_GLOW_FILTER_BICUBIC
+#define USE_FILMIC_TONEMAPPER
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+
+uniform highp sampler2D source; //texunit:0
+
+uniform float exposure;
+uniform float white;
+
+#ifdef USE_AUTO_EXPOSURE
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+#endif
+
+#if defined(USE_GLOW_LEVEL1) || defined(USE_GLOW_LEVEL2) || defined(USE_GLOW_LEVEL3) || defined(USE_GLOW_LEVEL4) || defined(USE_GLOW_LEVEL5) || defined(USE_GLOW_LEVEL6) || defined(USE_GLOW_LEVEL7)
+#define USING_GLOW // only use glow when at least one glow level is selected
+
+uniform highp sampler2D source_glow; //texunit:2
+uniform highp float glow_intensity;
+#endif
+
+#ifdef USE_BCS
+uniform vec3 bcs;
+#endif
+
+#ifdef USE_FXAA
+uniform vec2 pixel_size;
+#endif
+
+#ifdef USE_SHARPENING
+uniform float sharpen_intensity;
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+uniform sampler2D color_correction; //texunit:3
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef USE_GLOW_FILTER_BICUBIC
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0f / 6.0f) * (a * (a * (-a + 3.0f) - 3.0f) + 1.0f);
+}
+
+float w1(float a) {
+	return (1.0f / 6.0f) * (a * a * (3.0f * a - 6.0f) + 4.0f);
+}
+
+float w2(float a) {
+	return (1.0f / 6.0f) * (a * (a * (-3.0f * a + 3.0f) + 3.0f) + 1.0f);
+}
+
+float w3(float a) {
+	return (1.0f / 6.0f) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0f + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0f + w3(a) / (w2(a) + w3(a));
+}
+
+uniform ivec2 glow_texture_size;
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv, int p_lod) {
+	float lod = float(p_lod);
+	vec2 tex_size = vec2(glow_texture_size >> p_lod);
+	vec2 texel_size = vec2(1.0f) / tex_size;
+
+	uv = uv * tex_size + vec2(0.5f);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5f)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5f)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5f)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5f)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * textureLod(tex, p0, lod) + g1x * textureLod(tex, p1, lod))) +
+			(g1(fuv.y) * (g0x * textureLod(tex, p2, lod) + g1x * textureLod(tex, p3, lod)));
+}
+
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2D_bicubic(m_tex, m_uv, m_lod)
+#else
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) textureLod(m_tex, m_uv, float(m_lod))
+#endif
+
+vec3 tonemap_filmic(vec3 color, float white) {
+	// exposure bias: input scale (color *= bias, white *= bias) to make the brightness consistent with other tonemappers
+	// also useful to scale the input to the range that the tonemapper is designed for (some require very high input values)
+	// has no effect on the curve's general shape or visual properties
+	const float exposure_bias = 2.0f;
+	const float A = 0.22f * exposure_bias * exposure_bias; // bias baked into constants for performance
+	const float B = 0.30f * exposure_bias;
+	const float C = 0.10f;
+	const float D = 0.20f;
+	const float E = 0.01f;
+	const float F = 0.30f;
+
+	vec3 color_tonemapped = ((color * (A * color + C * B) + D * E) / (color * (A * color + B) + D * F)) - E / F;
+	float white_tonemapped = ((white * (A * white + C * B) + D * E) / (white * (A * white + B) + D * F)) - E / F;
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+vec3 tonemap_aces(vec3 color, float white) {
+	const float exposure_bias = 0.85f;
+	const float A = 2.51f * exposure_bias * exposure_bias;
+	const float B = 0.03f * exposure_bias;
+	const float C = 2.43f * exposure_bias * exposure_bias;
+	const float D = 0.59f * exposure_bias;
+	const float E = 0.14f;
+
+	vec3 color_tonemapped = (color * (A * color + B)) / (color * (C * color + D) + E);
+	float white_tonemapped = (white * (A * white + B)) / (white * (C * white + D) + E);
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+// Adapted from https://github.com/TheRealMJP/BakingLab/blob/master/BakingLab/ACES.hlsl
+// (MIT License).
+vec3 tonemap_aces_fitted(vec3 color, float white) {
+	const float exposure_bias = 1.8f;
+	const float A = 0.0245786f;
+	const float B = 0.000090537f;
+	const float C = 0.983729f;
+	const float D = 0.432951f;
+	const float E = 0.238081f;
+
+	// Exposure bias baked into transform to save shader instructions. Equivalent to `color *= exposure_bias`
+	const mat3 rgb_to_rrt = mat3(
+			vec3(0.59719f * exposure_bias, 0.35458f * exposure_bias, 0.04823f * exposure_bias),
+			vec3(0.07600f * exposure_bias, 0.90834f * exposure_bias, 0.01566f * exposure_bias),
+			vec3(0.02840f * exposure_bias, 0.13383f * exposure_bias, 0.83777f * exposure_bias));
+
+	const mat3 odt_to_rgb = mat3(
+			vec3(1.60475f, -0.53108f, -0.07367f),
+			vec3(-0.10208f, 1.10813f, -0.00605f),
+			vec3(-0.00327f, -0.07276f, 1.07602f));
+
+	color *= rgb_to_rrt;
+	vec3 color_tonemapped = (color * (color + A) - B) / (color * (C * color + D) + E);
+	color_tonemapped *= odt_to_rgb;
+
+	white *= exposure_bias;
+	float white_tonemapped = (white * (white + A) - B) / (white * (C * white + D) + E);
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+vec3 tonemap_reinhard(vec3 color, float white) {
+	return clamp((white * color + color) / (color * white + white), vec3(0.0f), vec3(1.0f));
+}
+
+vec3 linear_to_srgb(vec3 color) { // convert linear rgb to srgb, assumes clamped input in range [0;1]
+	const vec3 a = vec3(0.055f);
+	return mix((vec3(1.0f) + a) * pow(color.rgb, vec3(1.0f / 2.4f)) - a, 12.92f * color.rgb, lessThan(color.rgb, vec3(0.0031308f)));
+}
+
+// inputs are LINEAR, If Linear tonemapping is selected no transform is performed else outputs are clamped [0, 1] color
+vec3 apply_tonemapping(vec3 color, float white) {
+	// Ensure color values are positive.
+	// They can be negative in the case of negative lights, which leads to undesired behavior.
+#if defined(USE_REINHARD_TONEMAPPER) || defined(USE_FILMIC_TONEMAPPER) || defined(USE_ACES_TONEMAPPER) || defined(USE_ACES_FITTED_TONEMAPPER)
+	color = max(vec3(0.0f), color);
+#endif
+
+#ifdef USE_REINHARD_TONEMAPPER
+	return tonemap_reinhard(color, white);
+#endif
+
+#ifdef USE_FILMIC_TONEMAPPER
+	return tonemap_filmic(color, white);
+#endif
+
+#ifdef USE_ACES_TONEMAPPER
+	return tonemap_aces(color, white);
+#endif
+
+#ifdef USE_ACES_FITTED_TONEMAPPER
+	return tonemap_aces_fitted(color, white);
+#endif
+
+	return color; // no other selected -> linear: no color transform applied
+}
+
+vec3 gather_glow(sampler2D tex, vec2 uv) { // sample all selected glow levels
+	vec3 glow = vec3(0.0f);
+
+#ifdef USE_GLOW_LEVEL1
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 1).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL2
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 2).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL3
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 3).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL4
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 4).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL5
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 5).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL6
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 6).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL7
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 7).rgb;
+#endif
+
+	return glow;
+}
+
+vec3 apply_glow(vec3 color, vec3 glow) { // apply glow using the selected blending mode
+#ifdef USE_GLOW_REPLACE
+	color = glow;
+#endif
+
+#ifdef USE_GLOW_SCREEN
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0f));
+	color = max((color + glow) - (color * glow), vec3(0.0));
+#endif
+
+#ifdef USE_GLOW_SOFTLIGHT
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0));
+	glow = glow * vec3(0.5f) + vec3(0.5f);
+
+	color.r = (glow.r <= 0.5f) ? (color.r - (1.0f - 2.0f * glow.r) * color.r * (1.0f - color.r)) : (((glow.r > 0.5f) && (color.r <= 0.25f)) ? (color.r + (2.0f * glow.r - 1.0f) * (4.0f * color.r * (4.0f * color.r + 1.0f) * (color.r - 1.0f) + 7.0f * color.r)) : (color.r + (2.0f * glow.r - 1.0f) * (sqrt(color.r) - color.r)));
+	color.g = (glow.g <= 0.5f) ? (color.g - (1.0f - 2.0f * glow.g) * color.g * (1.0f - color.g)) : (((glow.g > 0.5f) && (color.g <= 0.25f)) ? (color.g + (2.0f * glow.g - 1.0f) * (4.0f * color.g * (4.0f * color.g + 1.0f) * (color.g - 1.0f) + 7.0f * color.g)) : (color.g + (2.0f * glow.g - 1.0f) * (sqrt(color.g) - color.g)));
+	color.b = (glow.b <= 0.5f) ? (color.b - (1.0f - 2.0f * glow.b) * color.b * (1.0f - color.b)) : (((glow.b > 0.5f) && (color.b <= 0.25f)) ? (color.b + (2.0f * glow.b - 1.0f) * (4.0f * color.b * (4.0f * color.b + 1.0f) * (color.b - 1.0f) + 7.0f * color.b)) : (color.b + (2.0f * glow.b - 1.0f) * (sqrt(color.b) - color.b)));
+#endif
+
+#if !defined(USE_GLOW_SCREEN) && !defined(USE_GLOW_SOFTLIGHT) && !defined(USE_GLOW_REPLACE) // no other selected -> additive
+	color += glow;
+#endif
+
+	return color;
+}
+
+vec3 apply_bcs(vec3 color, vec3 bcs) {
+	color = mix(vec3(0.0f), color, bcs.x);
+	color = mix(vec3(0.5f), color, bcs.y);
+	color = mix(vec3(dot(vec3(1.0f), color) * 0.33333f), color, bcs.z);
+
+	return color;
+}
+
+vec3 apply_color_correction(vec3 color, sampler2D correction_tex) {
+	color.r = texture(correction_tex, vec2(color.r, 0.0f)).r;
+	color.g = texture(correction_tex, vec2(color.g, 0.0f)).g;
+	color.b = texture(correction_tex, vec2(color.b, 0.0f)).b;
+
+	return color;
+}
+
+vec3 apply_fxaa(vec3 color, float exposure, vec2 uv_interp, vec2 pixel_size) {
+	const float FXAA_REDUCE_MIN = (1.0 / 128.0);
+	const float FXAA_REDUCE_MUL = (1.0 / 8.0);
+	const float FXAA_SPAN_MAX = 8.0;
+
+	vec3 rgbNW = textureLod(source, uv_interp + vec2(-1.0, -1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbNE = textureLod(source, uv_interp + vec2(1.0, -1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbSW = textureLod(source, uv_interp + vec2(-1.0, 1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbSE = textureLod(source, uv_interp + vec2(1.0, 1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbM = color;
+	vec3 luma = vec3(0.299, 0.587, 0.114);
+	float lumaNW = dot(rgbNW, luma);
+	float lumaNE = dot(rgbNE, luma);
+	float lumaSW = dot(rgbSW, luma);
+	float lumaSE = dot(rgbSE, luma);
+	float lumaM = dot(rgbM, luma);
+	float lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));
+	float lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));
+
+	vec2 dir;
+	dir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));
+	dir.y = ((lumaNW + lumaSW) - (lumaNE + lumaSE));
+
+	float dirReduce = max((lumaNW + lumaNE + lumaSW + lumaSE) *
+					(0.25 * FXAA_REDUCE_MUL),
+			FXAA_REDUCE_MIN);
+
+	float rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);
+	dir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX),
+				  max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX),
+						  dir * rcpDirMin)) *
+			pixel_size;
+
+	vec3 rgbA = 0.5 * exposure * (textureLod(source, uv_interp + dir * (1.0 / 3.0 - 0.5), 0.0).xyz + textureLod(source, uv_interp + dir * (2.0 / 3.0 - 0.5), 0.0).xyz);
+	vec3 rgbB = rgbA * 0.5 + 0.25 * exposure * (textureLod(source, uv_interp + dir * -0.5, 0.0).xyz + textureLod(source, uv_interp + dir * 0.5, 0.0).xyz);
+
+	float lumaB = dot(rgbB, luma);
+	if ((lumaB < lumaMin) || (lumaB > lumaMax)) {
+		return rgbA;
+	} else {
+		return rgbB;
+	}
+}
+
+// From http://alex.vlachos.com/graphics/Alex_Vlachos_Advanced_VR_Rendering_GDC2015.pdf
+// and https://www.shadertoy.com/view/MslGR8 (5th one starting from the bottom)
+// NOTE: `frag_coord` is in pixels (i.e. not normalized UV).
+vec3 screen_space_dither(vec2 frag_coord) {
+	// Iestyn's RGB dither (7 asm instructions) from Portal 2 X360, slightly modified for VR.
+	vec3 dither = vec3(dot(vec2(171.0, 231.0), frag_coord));
+	dither.rgb = fract(dither.rgb / vec3(103.0, 71.0, 97.0));
+
+	// Subtract 0.5 to avoid slightly brightening the whole viewport.
+	return (dither.rgb - 0.5) / 255.0;
+}
+
+// Adapted from https://github.com/DadSchoorse/vkBasalt/blob/b929505ba71dea21d6c32a5a59f2d241592b30c4/src/shader/cas.frag.glsl
+// (MIT license).
+vec3 apply_cas(vec3 color, float exposure, vec2 uv_interp, float sharpen_intensity) {
+	// Fetch a 3x3 neighborhood around the pixel 'e',
+	//  a b c
+	//  d(e)f
+	//  g h i
+	vec3 a = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, -1)).rgb * exposure;
+	vec3 b = textureLodOffset(source, uv_interp, 0.0, ivec2(0, -1)).rgb * exposure;
+	vec3 c = textureLodOffset(source, uv_interp, 0.0, ivec2(1, -1)).rgb * exposure;
+	vec3 d = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, 0)).rgb * exposure;
+	vec3 e = color.rgb;
+	vec3 f = textureLodOffset(source, uv_interp, 0.0, ivec2(1, 0)).rgb * exposure;
+	vec3 g = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, 1)).rgb * exposure;
+	vec3 h = textureLodOffset(source, uv_interp, 0.0, ivec2(0, 1)).rgb * exposure;
+	vec3 i = textureLodOffset(source, uv_interp, 0.0, ivec2(1, 1)).rgb * exposure;
+
+	// Soft min and max.
+	//  a b c             b
+	//  d e f * 0.5  +  d e f * 0.5
+	//  g h i             h
+	// These are 2.0x bigger (factored out the extra multiply).
+	vec3 min_rgb = min(min(min(d, e), min(f, b)), h);
+	vec3 min_rgb2 = min(min(min(min_rgb, a), min(g, c)), i);
+	min_rgb += min_rgb2;
+
+	vec3 max_rgb = max(max(max(d, e), max(f, b)), h);
+	vec3 max_rgb2 = max(max(max(max_rgb, a), max(g, c)), i);
+	max_rgb += max_rgb2;
+
+	// Smooth minimum distance to signal limit divided by smooth max.
+	vec3 rcp_max_rgb = vec3(1.0) / max_rgb;
+	vec3 amp_rgb = clamp((min(min_rgb, 2.0 - max_rgb) * rcp_max_rgb), 0.0, 1.0);
+
+	// Shaping amount of sharpening.
+	amp_rgb = inversesqrt(amp_rgb);
+	float peak = 8.0 - 3.0 * sharpen_intensity;
+	vec3 w_rgb = -vec3(1) / (amp_rgb * peak);
+	vec3 rcp_weight_rgb = vec3(1.0) / (1.0 + 4.0 * w_rgb);
+
+	//                          0 w 0
+	//  Filter shape:           w 1 w
+	//                          0 w 0
+	vec3 window = b + d + f + h;
+
+	return max(vec3(0.0), (window * w_rgb + e) * rcp_weight_rgb);
+}
+
+void main() {
+	vec3 color = textureLod(source, uv_interp, 0.0f).rgb;
+
+	// Exposure
+	float full_exposure = exposure;
+
+#ifdef USE_AUTO_EXPOSURE
+	full_exposure /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+
+	color *= full_exposure;
+
+#ifdef USE_FXAA
+	// FXAA must be applied before tonemapping.
+	color = apply_fxaa(color, full_exposure, uv_interp, pixel_size);
+#endif
+
+#ifdef USE_SHARPENING
+	// CAS gives best results when applied after tonemapping, but `source` isn't tonemapped.
+	// As a workaround, apply CAS before tonemapping so that the image still has a correct appearance when tonemapped.
+	color = apply_cas(color, full_exposure, uv_interp, sharpen_intensity);
+#endif
+
+#ifdef USE_DEBANDING
+	// For best results, debanding should be done before tonemapping.
+	// Otherwise, we're adding noise to an already-quantized image.
+	color += screen_space_dither(gl_FragCoord.xy);
+#endif
+
+	// Early Tonemap & SRGB Conversion; note that Linear tonemapping does not clamp to [0, 1]; some operations below expect a [0, 1] range and will clamp
+	color = apply_tonemapping(color, white);
+
+#ifdef KEEP_3D_LINEAR
+	// leave color as is (-> don't convert to SRGB)
+#else
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0f));
+	color = linear_to_srgb(color); // regular linear -> SRGB conversion (needs clamped values)
+#endif
+
+	// Glow
+
+#ifdef USING_GLOW
+	vec3 glow = gather_glow(source_glow, uv_interp) * glow_intensity;
+
+	// high dynamic range -> SRGB
+	glow = apply_tonemapping(glow, white);
+	glow = clamp(glow, vec3(0.0f), vec3(1.0f));
+	glow = linear_to_srgb(glow);
+
+	color = apply_glow(color, glow);
+#endif
+
+	// Additional effects
+
+#ifdef USE_BCS
+	color = apply_bcs(color, bcs);
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+	color = apply_color_correction(color, color_correction);
+#endif
+
+	frag_color = vec4(color, 1.0f);
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_GLOW_FILTER_BICUBIC
+#define USE_FILMIC_TONEMAPPER
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+void main() {
+	gl_Position = vertex_attrib;
+
+	uv_interp = uv_in;
+
+#ifdef V_FLIP
+	uv_interp.y = 1.0f - uv_interp.y;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-39.shader_test b/shaders/godot3.4/31-39.shader_test
new file mode 100644
index 0000000..5aa6438
--- /dev/null
+++ b/shaders/godot3.4/31-39.shader_test
@@ -0,0 +1,2422 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_INSTANCING
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_INSTANCING
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-4.shader_test b/shaders/godot3.4/31-4.shader_test
new file mode 100644
index 0000000..19ddcb1
--- /dev/null
+++ b/shaders/godot3.4/31-4.shader_test
@@ -0,0 +1,907 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+int m_particles_anim_h_frames;
+int m_particles_anim_v_frames;
+bool m_particles_anim_loop;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+int m_particles_anim_h_frames;
+int m_particles_anim_v_frames;
+bool m_particles_anim_loop;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+	{
+		float m_h_frames=float(m_particles_anim_h_frames);
+		float m_v_frames=float(m_particles_anim_v_frames);
+		outvec.xy.xy/=vec2(m_h_frames, m_v_frames);
+		float m_particle_total_frames=float((m_particles_anim_h_frames*m_particles_anim_v_frames));
+		float m_particle_frame=floor((instance_custom.z*float(m_particle_total_frames)));
+		if (!m_particles_anim_loop)
+		{
+					{
+			m_particle_frame=clamp(m_particle_frame, 0.0, (m_particle_total_frames-1.0));
+		}
+;
+		}
+		else
+		{
+					{
+			m_particle_frame=mod(m_particle_frame, m_particle_total_frames);
+		}
+;
+		}
+		uv/=vec2(m_h_frames, m_v_frames);
+		uv+=vec2((mod(m_particle_frame, m_h_frames)/m_h_frames), (floor(((m_particle_frame+0.5)/m_h_frames))/m_v_frames));
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-41.shader_test b/shaders/godot3.4/31-41.shader_test
new file mode 100644
index 0000000..4b72a47
--- /dev/null
+++ b/shaders/godot3.4/31-41.shader_test
@@ -0,0 +1,2487 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+#define ENABLE_SSS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+float m_subsurface_scattering_strength;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_ambient_occlusion;
+uniform sampler2D m_texture_depth;
+uniform sampler2D m_texture_subsurface_scattering;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+			{
+		vec3 m_view_dir=normalize((normalize(-vertex.xyz)*mat3((tangent*m_depth_flip.x), (-binormal*m_depth_flip.y), normal)));
+		float m_num_layers=mix(float(m_depth_max_layers), float(m_depth_min_layers), abs(dot(vec3(0.0,0.0,1.0), m_view_dir)));
+		float m_layer_depth=(1.0/m_num_layers);
+		float m_current_layer_depth=0.0;
+		vec2 m_P=(m_view_dir.xy*m_depth_scale);
+		vec2 m_delta=(m_P/m_num_layers);
+		vec2 m_ofs=m_base_uv;
+		float m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+		float m_current_depth=0.0;
+		while ((m_current_depth<m_depth))
+		{
+					{
+			m_ofs-=m_delta;
+			m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+			m_current_depth+=m_layer_depth;
+		}
+;
+		}
+		vec2 m_prev_ofs=(m_ofs+m_delta);
+		float m_after_depth=(m_depth-m_current_depth);
+		float m_before_depth=((textureLod(m_texture_depth, m_prev_ofs, 0.0).r-m_current_depth)+m_layer_depth);
+		float m_weight=(m_after_depth/(m_after_depth-m_before_depth));
+		m_ofs=mix(m_ofs, m_prev_ofs, m_weight);
+		m_base_uv=m_ofs;
+	}
+;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+		ao=dot(texture(m_texture_ambient_occlusion, m_base_uv), m_ao_texture_channel);
+		ao_light_affect=m_ao_light_affect;
+		float m_sss_tex=texture(m_texture_subsurface_scattering, m_base_uv).r;
+		sss_strength=(m_subsurface_scattering_strength*m_sss_tex);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+#define ENABLE_SSS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+float m_subsurface_scattering_strength;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_ambient_occlusion;
+uniform sampler2D m_texture_depth;
+uniform sampler2D m_texture_subsurface_scattering;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-49.shader_test b/shaders/godot3.4/31-49.shader_test
new file mode 100644
index 0000000..5d26866
--- /dev/null
+++ b/shaders/godot3.4/31-49.shader_test
@@ -0,0 +1,2430 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-51.shader_test b/shaders/godot3.4/31-51.shader_test
new file mode 100644
index 0000000..5a281d9
--- /dev/null
+++ b/shaders/godot3.4/31-51.shader_test
@@ -0,0 +1,2422 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-53.shader_test b/shaders/godot3.4/31-53.shader_test
new file mode 100644
index 0000000..9e163f3
--- /dev/null
+++ b/shaders/godot3.4/31-53.shader_test
@@ -0,0 +1,887 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+	{
+		vec3 m_c=textureLod(screen_texture, screen_uv, 0.0).rgb;
+		m_c=(vec3(1.0,1.0,1.0)-m_c);
+		color.rgb=m_c;
+	}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/31-58.shader_test b/shaders/godot3.4/31-58.shader_test
new file mode 100644
index 0000000..639b681
--- /dev/null
+++ b/shaders/godot3.4/31-58.shader_test
@@ -0,0 +1,3218 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define RENDER_DEPTH
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define RENDER_DEPTH
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-12.shader_test b/shaders/godot3.4/34-12.shader_test
new file mode 100644
index 0000000..ae985e4
--- /dev/null
+++ b/shaders/godot3.4/34-12.shader_test
@@ -0,0 +1,1585 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec4 m_bkg_color;
+uniform highp vec4 m_dir_color;
+uniform bool m_differences_only;
+uniform highp sampler2D m_present;
+
+float m_zero_if_equal(in vec4 m_a, in vec4 m_b)
+{
+	return smoothstep(0.0, 0.005, (length((m_a.rgb - m_b.rgb)) / sqrt(3.0)));
+}
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_capture_samp = texture2D(color_texture, uv);
+	vec4 m_present_samp = texture2D(m_present, uv);
+	float m_bkg_mask = m_zero_if_equal(m_capture_samp, m_bkg_color);
+	float m_diff_mask = (1.0 - m_zero_if_equal(m_present_samp, m_bkg_color));
+	m_diff_mask = min(1.0, (m_diff_mask + float(!m_differences_only)));
+	color = vec4((m_capture_samp.rgb * m_dir_color.rgb), (m_bkg_mask * m_diff_mask));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec4 m_bkg_color;
+uniform highp vec4 m_dir_color;
+uniform bool m_differences_only;
+uniform highp sampler2D m_present;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-19.shader_test b/shaders/godot3.4/34-19.shader_test
new file mode 100644
index 0000000..de6cf5e
--- /dev/null
+++ b/shaders/godot3.4/34-19.shader_test
@@ -0,0 +1,2410 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_5
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_5
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-2.shader_test b/shaders/godot3.4/34-2.shader_test
new file mode 100644
index 0000000..1bbee96
--- /dev/null
+++ b/shaders/godot3.4/34-2.shader_test
@@ -0,0 +1,1585 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform bool m_differences_only;
+uniform highp sampler2D m_present;
+uniform highp vec4 m_dir_color;
+uniform highp vec4 m_bkg_color;
+
+float m_zero_if_equal(in vec4 m_a, in vec4 m_b)
+{
+	return smoothstep(0.0, 0.005, (length((m_a.rgb - m_b.rgb)) / sqrt(3.0)));
+}
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_capture_samp = texture2D(color_texture, uv);
+	vec4 m_present_samp = texture2D(m_present, uv);
+	float m_bkg_mask = m_zero_if_equal(m_capture_samp, m_bkg_color);
+	float m_diff_mask = (1.0 - m_zero_if_equal(m_present_samp, m_bkg_color));
+	m_diff_mask = min(1.0, (m_diff_mask + float(!m_differences_only)));
+	color = vec4((m_capture_samp.rgb * m_dir_color.rgb), (m_bkg_mask * m_diff_mask));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform bool m_differences_only;
+uniform highp sampler2D m_present;
+uniform highp vec4 m_dir_color;
+uniform highp vec4 m_bkg_color;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-21.shader_test b/shaders/godot3.4/34-21.shader_test
new file mode 100644
index 0000000..86bd9b5
--- /dev/null
+++ b/shaders/godot3.4/34-21.shader_test
@@ -0,0 +1,1585 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec4 m_dir_color;
+uniform bool m_differences_only;
+uniform highp sampler2D m_present;
+uniform highp vec4 m_bkg_color;
+
+float m_zero_if_equal(in vec4 m_a, in vec4 m_b)
+{
+	return smoothstep(0.0, 0.005, (length((m_a.rgb - m_b.rgb)) / sqrt(3.0)));
+}
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_capture_samp = texture2D(color_texture, uv);
+	vec4 m_present_samp = texture2D(m_present, uv);
+	float m_bkg_mask = m_zero_if_equal(m_capture_samp, m_bkg_color);
+	float m_diff_mask = (1.0 - m_zero_if_equal(m_present_samp, m_bkg_color));
+	m_diff_mask = min(1.0, (m_diff_mask + float(!m_differences_only)));
+	color = vec4((m_capture_samp.rgb * m_dir_color.rgb), (m_bkg_mask * m_diff_mask));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec4 m_dir_color;
+uniform bool m_differences_only;
+uniform highp sampler2D m_present;
+uniform highp vec4 m_bkg_color;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-23.shader_test b/shaders/godot3.4/34-23.shader_test
new file mode 100644
index 0000000..b03f48e
--- /dev/null
+++ b/shaders/godot3.4/34-23.shader_test
@@ -0,0 +1,506 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+// any code here is never executed, stuff is filled just so it works
+
+#if defined(USE_MATERIAL)
+
+layout(std140) uniform UniformData {
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+
+#endif
+uniform sampler2D m_color_ramp;
+uniform sampler2D m_scale_texture;
+
+
+void main() {
+
+	{
+
+
+	}
+
+	{
+
+
+	}
+}
+/* clang-format on */
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 color;
+/* clang-format on */
+layout(location = 1) in highp vec4 velocity_active;
+layout(location = 2) in highp vec4 custom;
+layout(location = 3) in highp vec4 xform_1;
+layout(location = 4) in highp vec4 xform_2;
+layout(location = 5) in highp vec4 xform_3;
+
+struct Attractor {
+	vec3 pos;
+	vec3 dir;
+	float radius;
+	float eat_radius;
+	float strength;
+	float attenuation;
+};
+
+#define MAX_ATTRACTORS 64
+
+uniform bool emitting;
+uniform float system_phase;
+uniform float prev_system_phase;
+uniform int total_particles;
+uniform float explosiveness;
+uniform float randomness;
+uniform float time;
+uniform float delta;
+
+uniform int attractor_count;
+uniform Attractor attractors[MAX_ATTRACTORS];
+uniform bool clear;
+uniform uint cycle;
+uniform float lifetime;
+uniform mat4 emission_transform;
+uniform uint random_seed;
+
+out highp vec4 out_color; //tfb:
+out highp vec4 out_velocity_active; //tfb:
+out highp vec4 out_custom; //tfb:
+out highp vec4 out_xform_1; //tfb:
+out highp vec4 out_xform_2; //tfb:
+out highp vec4 out_xform_3; //tfb:
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:0
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_color_ramp;
+uniform sampler2D m_scale_texture;
+
+uint m_hash(uint m_x)
+	{
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=((m_x>>16u)^m_x);
+return m_x;	}
+
+float m_rand_from_seed(inout uint m_seed)
+	{
+		int m_k;
+		int m_s=int(m_seed);
+		if ((m_s==0))
+		{
+			m_s=305420679;
+		}
+		m_k=(m_s/127773);
+		m_s=((16807*(m_s-(m_k*127773)))-(2836*m_k));
+		if ((m_s<0))
+		{
+			m_s+=2147483647;
+		}
+		m_seed=uint(m_s);
+return (float((m_seed%65536u))/65535.0);	}
+
+float m_rand_from_seed_m1_p1(inout uint m_seed)
+	{
+return ((m_rand_from_seed(m_seed)*2.0)-1.0);	}
+
+
+/* clang-format on */
+
+uint hash(uint x) {
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = (x >> uint(16)) ^ x;
+	return x;
+}
+
+void main() {
+#ifdef PARTICLES_COPY
+
+	out_color = color;
+	out_velocity_active = velocity_active;
+	out_custom = custom;
+	out_xform_1 = xform_1;
+	out_xform_2 = xform_2;
+	out_xform_3 = xform_3;
+
+#else
+
+	bool apply_forces = true;
+	bool apply_velocity = true;
+	float local_delta = delta;
+
+	float mass = 1.0;
+
+	float restart_phase = float(gl_VertexID) / float(total_particles);
+
+	if (randomness > 0.0) {
+		uint seed = cycle;
+		if (restart_phase >= system_phase) {
+			seed -= uint(1);
+		}
+		seed *= uint(total_particles);
+		seed += uint(gl_VertexID);
+		float random = float(hash(seed) % uint(65536)) / 65536.0;
+		restart_phase += randomness * random * 1.0 / float(total_particles);
+	}
+
+	restart_phase *= (1.0 - explosiveness);
+	bool restart = false;
+	bool shader_active = velocity_active.a > 0.5;
+
+	if (system_phase > prev_system_phase) {
+		// restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed
+
+		if (restart_phase >= prev_system_phase && restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+
+	} else if (delta > 0.0) {
+		if (restart_phase >= prev_system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (1.0 - restart_phase + system_phase) * lifetime;
+#endif
+		} else if (restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+	}
+
+	uint current_cycle = cycle;
+
+	if (system_phase < restart_phase) {
+		current_cycle -= uint(1);
+	}
+
+	uint particle_number = current_cycle * uint(total_particles) + uint(gl_VertexID);
+	int index = int(gl_VertexID);
+
+	if (restart) {
+		shader_active = emitting;
+	}
+
+	mat4 xform;
+
+#if defined(ENABLE_KEEP_DATA)
+	if (clear) {
+#else
+	if (clear || restart) {
+#endif
+		out_color = vec4(1.0);
+		out_velocity_active = vec4(0.0);
+		out_custom = vec4(0.0);
+		if (!restart)
+			shader_active = false;
+
+		xform = mat4(
+				vec4(1.0, 0.0, 0.0, 0.0),
+				vec4(0.0, 1.0, 0.0, 0.0),
+				vec4(0.0, 0.0, 1.0, 0.0),
+				vec4(0.0, 0.0, 0.0, 1.0));
+	} else {
+		out_color = color;
+		out_velocity_active = velocity_active;
+		out_custom = custom;
+		xform = transpose(mat4(xform_1, xform_2, xform_3, vec4(vec3(0.0), 1.0)));
+	}
+
+	if (shader_active) {
+		//execute shader
+
+		{
+			/* clang-format off */
+	{
+		uint m_base_number=(particle_number/uint(m_trail_divisor));
+		uint m_alt_seed=m_hash(((m_base_number+1u)+random_seed));
+		float m_angle_rand=m_rand_from_seed(m_alt_seed);
+		float m_scale_rand=m_rand_from_seed(m_alt_seed);
+		float m_hue_rot_rand=m_rand_from_seed(m_alt_seed);
+		float m_anim_offset_rand=m_rand_from_seed(m_alt_seed);
+		float m_pi=3.14159;
+		float m_degree_to_rad=(m_pi/180.0);
+		bool m_restart=false;
+		float m_tv=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			m_restart=true;
+			m_tv=1.0;
+		}
+;
+		}
+		if ((restart||m_restart))
+		{
+					{
+			uint m_alt_restart_seed=m_hash(((m_base_number+301184u)+random_seed));
+			float m_tex_linear_velocity=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_offset=0.0;
+			float m_spread_rad=(m_spread*m_degree_to_rad);
+					{
+			float m_angle1_rad=(m_rand_from_seed_m1_p1(m_alt_restart_seed)*m_spread_rad);
+			m_angle1_rad+=((m_direction.x!=0.0)?atan(m_direction.y, m_direction.x):(sign(m_direction.y)*(m_pi/2.0)));
+			vec3 m_rot=vec3(cos(m_angle1_rad), sin(m_angle1_rad), 0.0);
+			out_velocity_active.xyz=((m_rot*m_initial_linear_velocity)*mix(1.0, m_rand_from_seed(m_alt_restart_seed), m_initial_linear_velocity_random));
+		}
+;
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.y=0.0;
+			out_custom.w=(1.0-(m_lifetime_randomness*m_rand_from_seed(m_alt_restart_seed)));
+			out_custom.z=((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random));
+			out_velocity_active.xyz=(emission_transform*vec4(out_velocity_active.xyz, 0.0)).xyz;
+			xform=(emission_transform*xform);
+			out_velocity_active.xyz.z=0.0;
+			xform[3].z=0.0;
+		}
+;
+		}
+		else
+		{
+					{
+			out_custom.y+=(local_delta/lifetime);
+			m_tv=(out_custom.y/out_custom.w);
+			float m_tex_linear_velocity=0.0;
+			float m_tex_orbit_velocity=0.0;
+			float m_tex_angular_velocity=0.0;
+			float m_tex_linear_accel=0.0;
+			float m_tex_radial_accel=0.0;
+			float m_tex_tangent_accel=0.0;
+			float m_tex_damping=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_speed=0.0;
+			float m_tex_anim_offset=0.0;
+			vec3 m_force=m_gravity;
+			vec3 m_pos=xform[3].xyz;
+			m_pos.z=0.0;
+			m_force+=((length(out_velocity_active.xyz)>0.0)?((normalize(out_velocity_active.xyz)*(m_linear_accel+m_tex_linear_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_linear_accel_random)):vec3(0.0,0.0,0.0));
+			vec3 m_org=emission_transform[3].xyz;
+			vec3 m_diff=(m_pos-m_org);
+			m_force+=((length(m_diff)>0.0)?((normalize(m_diff)*(m_radial_accel+m_tex_radial_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_radial_accel_random)):vec3(0.0,0.0,0.0));
+			m_force+=((length(m_diff.yx)>0.0)?(vec3(normalize((m_diff.yx*vec2(-1.0,1.0))), 0.0)*((m_tangent_accel+m_tex_tangent_accel)*mix(1.0, m_rand_from_seed(m_alt_seed), m_tangent_accel_random))):vec3(0.0,0.0,0.0));
+			out_velocity_active.xyz+=(m_force*local_delta);
+			float m_orbit_amount=((m_orbit_velocity+m_tex_orbit_velocity)*mix(1.0, m_rand_from_seed(m_alt_seed), m_orbit_velocity_random));
+			if ((m_orbit_amount!=0.0))
+			{
+							{
+				float m_ang=(((m_orbit_amount*local_delta)*m_pi)*2.0);
+				mat2 m_rot=mat2(vec2(cos(m_ang), -sin(m_ang)), vec2(sin(m_ang), cos(m_ang)));
+				xform[3].xy-=m_diff.xy;
+				xform[3].xy+=(m_rot*m_diff.xy);
+			}
+;
+			}
+			if (((m_damping+m_tex_damping)>0.0))
+			{
+							{
+				float m_v=length(out_velocity_active.xyz);
+				float m_damp=((m_damping+m_tex_damping)*mix(1.0, m_rand_from_seed(m_alt_seed), m_damping_random));
+				m_v-=(m_damp*local_delta);
+				if ((m_v<0.0))
+				{
+									{
+					out_velocity_active.xyz=vec3(0.0,0.0,0.0);
+				}
+;
+				}
+				else
+				{
+									{
+					out_velocity_active.xyz=(normalize(out_velocity_active.xyz)*m_v);
+				}
+;
+				}
+			}
+;
+			}
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			m_base_angle+=(((out_custom.y*lifetime)*(m_angular_velocity+m_tex_angular_velocity))*mix(1.0, ((m_rand_from_seed(m_alt_seed)*2.0)-1.0), m_angular_velocity_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.z=(((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random))+((out_custom.y*(m_anim_speed+m_tex_anim_speed))*mix(1.0, m_rand_from_seed(m_alt_seed), m_anim_speed_random)));
+		}
+;
+		}
+		float m_tex_scale=textureLod(m_scale_texture, vec2(m_tv, 0.0), 0.0).r;
+		float m_tex_hue_variation=0.0;
+		float m_hue_rot_angle=((((m_hue_variation+m_tex_hue_variation)*m_pi)*2.0)*mix(1.0, ((m_hue_rot_rand*2.0)-1.0), m_hue_variation_random));
+		float m_hue_rot_c=cos(m_hue_rot_angle);
+		float m_hue_rot_s=sin(m_hue_rot_angle);
+		mat4 m_hue_rot_mat=((mat4(0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.0,0.0,0.0,1.0)+(mat4(0.701,-0.587,-0.114,0.0,-0.299,0.413,-0.114,0.0,-0.3,-0.588,0.886,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_c))+(mat4(0.168,0.33,-0.497,0.0,-0.328,0.035,0.292,0.0,1.25,-1.05,-0.203,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_s));
+		out_color=((m_hue_rot_mat*textureLod(m_color_ramp, vec2(m_tv, 0.0), 0.0))*m_color_value);
+		xform[0]=vec4(cos(out_custom.x), -sin(out_custom.x), 0.0, 0.0);
+		xform[1]=vec4(sin(out_custom.x), cos(out_custom.x), 0.0, 0.0);
+		xform[2]=vec4(0.0,0.0,1.0,0.0);
+		float m_base_scale=(m_tex_scale*mix(m_scale, 1.0, (m_scale_random*m_scale_rand)));
+		if ((m_base_scale<1e-06))
+		{
+					{
+			m_base_scale=1e-06;
+		}
+;
+		}
+		xform[0].xyz*=m_base_scale;
+		xform[1].xyz*=m_base_scale;
+		xform[2].xyz*=m_base_scale;
+		out_velocity_active.xyz.z=0.0;
+		xform[3].z=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			shader_active=false;
+		}
+;
+		}
+	}
+
+
+			/* clang-format on */
+		}
+
+#if !defined(DISABLE_FORCE)
+
+		if (false) {
+			vec3 force = vec3(0.0);
+			for (int i = 0; i < attractor_count; i++) {
+				vec3 rel_vec = xform[3].xyz - attractors[i].pos;
+				float dist = length(rel_vec);
+				if (attractors[i].radius < dist)
+					continue;
+				if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) {
+					out_velocity_active.a = 0.0;
+				}
+
+				rel_vec = normalize(rel_vec);
+
+				float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation);
+
+				if (attractors[i].dir == vec3(0.0)) {
+					//towards center
+					force += attractors[i].strength * rel_vec * attenuation * mass;
+				} else {
+					force += attractors[i].strength * attractors[i].dir * attenuation * mass;
+				}
+			}
+
+			out_velocity_active.xyz += force * local_delta;
+		}
+#endif
+
+#if !defined(DISABLE_VELOCITY)
+
+		if (true) {
+			xform[3].xyz += out_velocity_active.xyz * local_delta;
+		}
+#endif
+	} else {
+		xform = mat4(0.0);
+	}
+
+	xform = transpose(xform);
+
+	out_velocity_active.a = mix(0.0, 1.0, shader_active);
+
+	out_xform_1 = xform[0];
+	out_xform_2 = xform[1];
+	out_xform_3 = xform[2];
+
+#endif //PARTICLES_COPY
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-3.shader_test b/shaders/godot3.4/34-3.shader_test
new file mode 100644
index 0000000..b58c521
--- /dev/null
+++ b/shaders/godot3.4/34-3.shader_test
@@ -0,0 +1,519 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+// any code here is never executed, stuff is filled just so it works
+
+#if defined(USE_MATERIAL)
+
+layout(std140) uniform UniformData {
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+int m_emission_texture_point_count;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+
+#endif
+uniform sampler2D m_emission_texture_points;
+uniform sampler2D m_emission_texture_normal;
+
+
+void main() {
+
+	{
+
+
+	}
+
+	{
+
+
+	}
+}
+/* clang-format on */
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 color;
+/* clang-format on */
+layout(location = 1) in highp vec4 velocity_active;
+layout(location = 2) in highp vec4 custom;
+layout(location = 3) in highp vec4 xform_1;
+layout(location = 4) in highp vec4 xform_2;
+layout(location = 5) in highp vec4 xform_3;
+
+struct Attractor {
+	vec3 pos;
+	vec3 dir;
+	float radius;
+	float eat_radius;
+	float strength;
+	float attenuation;
+};
+
+#define MAX_ATTRACTORS 64
+
+uniform bool emitting;
+uniform float system_phase;
+uniform float prev_system_phase;
+uniform int total_particles;
+uniform float explosiveness;
+uniform float randomness;
+uniform float time;
+uniform float delta;
+
+uniform int attractor_count;
+uniform Attractor attractors[MAX_ATTRACTORS];
+uniform bool clear;
+uniform uint cycle;
+uniform float lifetime;
+uniform mat4 emission_transform;
+uniform uint random_seed;
+
+out highp vec4 out_color; //tfb:
+out highp vec4 out_velocity_active; //tfb:
+out highp vec4 out_custom; //tfb:
+out highp vec4 out_xform_1; //tfb:
+out highp vec4 out_xform_2; //tfb:
+out highp vec4 out_xform_3; //tfb:
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:0
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+int m_emission_texture_point_count;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_emission_texture_points;
+uniform sampler2D m_emission_texture_normal;
+
+uint m_hash(uint m_x)
+	{
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=((m_x>>16u)^m_x);
+return m_x;	}
+
+float m_rand_from_seed(inout uint m_seed)
+	{
+		int m_k;
+		int m_s=int(m_seed);
+		if ((m_s==0))
+		{
+			m_s=305420679;
+		}
+		m_k=(m_s/127773);
+		m_s=((16807*(m_s-(m_k*127773)))-(2836*m_k));
+		if ((m_s<0))
+		{
+			m_s+=2147483647;
+		}
+		m_seed=uint(m_s);
+return (float((m_seed%65536u))/65535.0);	}
+
+float m_rand_from_seed_m1_p1(inout uint m_seed)
+	{
+return ((m_rand_from_seed(m_seed)*2.0)-1.0);	}
+
+
+/* clang-format on */
+
+uint hash(uint x) {
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = (x >> uint(16)) ^ x;
+	return x;
+}
+
+void main() {
+#ifdef PARTICLES_COPY
+
+	out_color = color;
+	out_velocity_active = velocity_active;
+	out_custom = custom;
+	out_xform_1 = xform_1;
+	out_xform_2 = xform_2;
+	out_xform_3 = xform_3;
+
+#else
+
+	bool apply_forces = true;
+	bool apply_velocity = true;
+	float local_delta = delta;
+
+	float mass = 1.0;
+
+	float restart_phase = float(gl_VertexID) / float(total_particles);
+
+	if (randomness > 0.0) {
+		uint seed = cycle;
+		if (restart_phase >= system_phase) {
+			seed -= uint(1);
+		}
+		seed *= uint(total_particles);
+		seed += uint(gl_VertexID);
+		float random = float(hash(seed) % uint(65536)) / 65536.0;
+		restart_phase += randomness * random * 1.0 / float(total_particles);
+	}
+
+	restart_phase *= (1.0 - explosiveness);
+	bool restart = false;
+	bool shader_active = velocity_active.a > 0.5;
+
+	if (system_phase > prev_system_phase) {
+		// restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed
+
+		if (restart_phase >= prev_system_phase && restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+
+	} else if (delta > 0.0) {
+		if (restart_phase >= prev_system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (1.0 - restart_phase + system_phase) * lifetime;
+#endif
+		} else if (restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+	}
+
+	uint current_cycle = cycle;
+
+	if (system_phase < restart_phase) {
+		current_cycle -= uint(1);
+	}
+
+	uint particle_number = current_cycle * uint(total_particles) + uint(gl_VertexID);
+	int index = int(gl_VertexID);
+
+	if (restart) {
+		shader_active = emitting;
+	}
+
+	mat4 xform;
+
+#if defined(ENABLE_KEEP_DATA)
+	if (clear) {
+#else
+	if (clear || restart) {
+#endif
+		out_color = vec4(1.0);
+		out_velocity_active = vec4(0.0);
+		out_custom = vec4(0.0);
+		if (!restart)
+			shader_active = false;
+
+		xform = mat4(
+				vec4(1.0, 0.0, 0.0, 0.0),
+				vec4(0.0, 1.0, 0.0, 0.0),
+				vec4(0.0, 0.0, 1.0, 0.0),
+				vec4(0.0, 0.0, 0.0, 1.0));
+	} else {
+		out_color = color;
+		out_velocity_active = velocity_active;
+		out_custom = custom;
+		xform = transpose(mat4(xform_1, xform_2, xform_3, vec4(vec3(0.0), 1.0)));
+	}
+
+	if (shader_active) {
+		//execute shader
+
+		{
+			/* clang-format off */
+	{
+		uint m_base_number=(particle_number/uint(m_trail_divisor));
+		uint m_alt_seed=m_hash(((m_base_number+1u)+random_seed));
+		float m_angle_rand=m_rand_from_seed(m_alt_seed);
+		float m_scale_rand=m_rand_from_seed(m_alt_seed);
+		float m_hue_rot_rand=m_rand_from_seed(m_alt_seed);
+		float m_anim_offset_rand=m_rand_from_seed(m_alt_seed);
+		float m_pi=3.14159;
+		float m_degree_to_rad=(m_pi/180.0);
+		int m_point=min((m_emission_texture_point_count-1), int((m_rand_from_seed(m_alt_seed)*float(m_emission_texture_point_count))));
+		ivec2 m_emission_tex_size=textureSize(m_emission_texture_points, 0);
+		ivec2 m_emission_tex_ofs=ivec2((m_point%m_emission_tex_size.x), (m_point/m_emission_tex_size.x));
+		bool m_restart=false;
+		float m_tv=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			m_restart=true;
+			m_tv=1.0;
+		}
+;
+		}
+		if ((restart||m_restart))
+		{
+					{
+			uint m_alt_restart_seed=m_hash(((m_base_number+301184u)+random_seed));
+			float m_tex_linear_velocity=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_offset=0.0;
+			float m_spread_rad=(m_spread*m_degree_to_rad);
+					{
+			float m_angle1_rad=(m_rand_from_seed_m1_p1(m_alt_restart_seed)*m_spread_rad);
+			m_angle1_rad+=((m_direction.x!=0.0)?atan(m_direction.y, m_direction.x):(sign(m_direction.y)*(m_pi/2.0)));
+			vec3 m_rot=vec3(cos(m_angle1_rad), sin(m_angle1_rad), 0.0);
+			out_velocity_active.xyz=((m_rot*m_initial_linear_velocity)*mix(1.0, m_rand_from_seed(m_alt_restart_seed), m_initial_linear_velocity_random));
+		}
+;
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.y=0.0;
+			out_custom.w=(1.0-(m_lifetime_randomness*m_rand_from_seed(m_alt_restart_seed)));
+			out_custom.z=((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random));
+			xform[3].xyz=texelFetch(m_emission_texture_points, m_emission_tex_ofs, 0).xyz;
+					{
+			mat2 m_rotm;
+			m_rotm[0]=texelFetch(m_emission_texture_normal, m_emission_tex_ofs, 0).xy;
+			m_rotm[1]=(m_rotm[0].yx*vec2(1.0,-1.0));
+			out_velocity_active.xyz.xy=(m_rotm*out_velocity_active.xyz.xy);
+		}
+;
+			out_velocity_active.xyz=(emission_transform*vec4(out_velocity_active.xyz, 0.0)).xyz;
+			xform=(emission_transform*xform);
+			out_velocity_active.xyz.z=0.0;
+			xform[3].z=0.0;
+		}
+;
+		}
+		else
+		{
+					{
+			out_custom.y+=(local_delta/lifetime);
+			m_tv=(out_custom.y/out_custom.w);
+			float m_tex_linear_velocity=0.0;
+			float m_tex_orbit_velocity=0.0;
+			float m_tex_angular_velocity=0.0;
+			float m_tex_linear_accel=0.0;
+			float m_tex_radial_accel=0.0;
+			float m_tex_tangent_accel=0.0;
+			float m_tex_damping=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_speed=0.0;
+			float m_tex_anim_offset=0.0;
+			vec3 m_force=m_gravity;
+			vec3 m_pos=xform[3].xyz;
+			m_pos.z=0.0;
+			m_force+=((length(out_velocity_active.xyz)>0.0)?((normalize(out_velocity_active.xyz)*(m_linear_accel+m_tex_linear_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_linear_accel_random)):vec3(0.0,0.0,0.0));
+			vec3 m_org=emission_transform[3].xyz;
+			vec3 m_diff=(m_pos-m_org);
+			m_force+=((length(m_diff)>0.0)?((normalize(m_diff)*(m_radial_accel+m_tex_radial_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_radial_accel_random)):vec3(0.0,0.0,0.0));
+			m_force+=((length(m_diff.yx)>0.0)?(vec3(normalize((m_diff.yx*vec2(-1.0,1.0))), 0.0)*((m_tangent_accel+m_tex_tangent_accel)*mix(1.0, m_rand_from_seed(m_alt_seed), m_tangent_accel_random))):vec3(0.0,0.0,0.0));
+			out_velocity_active.xyz+=(m_force*local_delta);
+			float m_orbit_amount=((m_orbit_velocity+m_tex_orbit_velocity)*mix(1.0, m_rand_from_seed(m_alt_seed), m_orbit_velocity_random));
+			if ((m_orbit_amount!=0.0))
+			{
+							{
+				float m_ang=(((m_orbit_amount*local_delta)*m_pi)*2.0);
+				mat2 m_rot=mat2(vec2(cos(m_ang), -sin(m_ang)), vec2(sin(m_ang), cos(m_ang)));
+				xform[3].xy-=m_diff.xy;
+				xform[3].xy+=(m_rot*m_diff.xy);
+			}
+;
+			}
+			if (((m_damping+m_tex_damping)>0.0))
+			{
+							{
+				float m_v=length(out_velocity_active.xyz);
+				float m_damp=((m_damping+m_tex_damping)*mix(1.0, m_rand_from_seed(m_alt_seed), m_damping_random));
+				m_v-=(m_damp*local_delta);
+				if ((m_v<0.0))
+				{
+									{
+					out_velocity_active.xyz=vec3(0.0,0.0,0.0);
+				}
+;
+				}
+				else
+				{
+									{
+					out_velocity_active.xyz=(normalize(out_velocity_active.xyz)*m_v);
+				}
+;
+				}
+			}
+;
+			}
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			m_base_angle+=(((out_custom.y*lifetime)*(m_angular_velocity+m_tex_angular_velocity))*mix(1.0, ((m_rand_from_seed(m_alt_seed)*2.0)-1.0), m_angular_velocity_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.z=(((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random))+((out_custom.y*(m_anim_speed+m_tex_anim_speed))*mix(1.0, m_rand_from_seed(m_alt_seed), m_anim_speed_random)));
+		}
+;
+		}
+		float m_tex_scale=1.0;
+		float m_tex_hue_variation=0.0;
+		float m_hue_rot_angle=((((m_hue_variation+m_tex_hue_variation)*m_pi)*2.0)*mix(1.0, ((m_hue_rot_rand*2.0)-1.0), m_hue_variation_random));
+		float m_hue_rot_c=cos(m_hue_rot_angle);
+		float m_hue_rot_s=sin(m_hue_rot_angle);
+		mat4 m_hue_rot_mat=((mat4(0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.0,0.0,0.0,1.0)+(mat4(0.701,-0.587,-0.114,0.0,-0.299,0.413,-0.114,0.0,-0.3,-0.588,0.886,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_c))+(mat4(0.168,0.33,-0.497,0.0,-0.328,0.035,0.292,0.0,1.25,-1.05,-0.203,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_s));
+		out_color=(m_hue_rot_mat*m_color_value);
+		xform[0]=vec4(cos(out_custom.x), -sin(out_custom.x), 0.0, 0.0);
+		xform[1]=vec4(sin(out_custom.x), cos(out_custom.x), 0.0, 0.0);
+		xform[2]=vec4(0.0,0.0,1.0,0.0);
+		float m_base_scale=(m_tex_scale*mix(m_scale, 1.0, (m_scale_random*m_scale_rand)));
+		if ((m_base_scale<1e-06))
+		{
+					{
+			m_base_scale=1e-06;
+		}
+;
+		}
+		xform[0].xyz*=m_base_scale;
+		xform[1].xyz*=m_base_scale;
+		xform[2].xyz*=m_base_scale;
+		out_velocity_active.xyz.z=0.0;
+		xform[3].z=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			shader_active=false;
+		}
+;
+		}
+	}
+
+
+			/* clang-format on */
+		}
+
+#if !defined(DISABLE_FORCE)
+
+		if (false) {
+			vec3 force = vec3(0.0);
+			for (int i = 0; i < attractor_count; i++) {
+				vec3 rel_vec = xform[3].xyz - attractors[i].pos;
+				float dist = length(rel_vec);
+				if (attractors[i].radius < dist)
+					continue;
+				if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) {
+					out_velocity_active.a = 0.0;
+				}
+
+				rel_vec = normalize(rel_vec);
+
+				float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation);
+
+				if (attractors[i].dir == vec3(0.0)) {
+					//towards center
+					force += attractors[i].strength * rel_vec * attenuation * mass;
+				} else {
+					force += attractors[i].strength * attractors[i].dir * attenuation * mass;
+				}
+			}
+
+			out_velocity_active.xyz += force * local_delta;
+		}
+#endif
+
+#if !defined(DISABLE_VELOCITY)
+
+		if (true) {
+			xform[3].xyz += out_velocity_active.xyz * local_delta;
+		}
+#endif
+	} else {
+		xform = mat4(0.0);
+	}
+
+	xform = transpose(xform);
+
+	out_velocity_active.a = mix(0.0, 1.0, shader_active);
+
+	out_xform_1 = xform[0];
+	out_xform_2 = xform[1];
+	out_xform_3 = xform[2];
+
+#endif //PARTICLES_COPY
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-30.shader_test b/shaders/godot3.4/34-30.shader_test
new file mode 100644
index 0000000..fb0e3d9
--- /dev/null
+++ b/shaders/godot3.4/34-30.shader_test
@@ -0,0 +1,2416 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		m_albedo_tex.rgb=mix(pow(((m_albedo_tex.rgb+vec3(0.055,0.055,0.055))*(1.0/(1.0+0.055))), vec3(2.4,2.4,2.4)), (m_albedo_tex.rgb.rgb*(1.0/12.92)), lessThan(m_albedo_tex.rgb, vec3(0.04045,0.04045,0.04045)));
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		alpha=(m_albedo.a*m_albedo_tex.a);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-34.shader_test b/shaders/godot3.4/34-34.shader_test
new file mode 100644
index 0000000..92ac589
--- /dev/null
+++ b/shaders/godot3.4/34-34.shader_test
@@ -0,0 +1,283 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define SRGB_TO_LINEAR
+#define DISABLE_ALPHA
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#if !defined(USE_GLES_OVER_GL)
+precision mediump float;
+#endif
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+in vec3 cube_interp;
+#else
+in vec2 uv_interp;
+#endif
+
+#ifdef USE_ASYM_PANO
+uniform highp mat4 pano_transform;
+uniform highp vec4 asym_proj;
+#endif
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_TEXTURE3D
+#endif
+#ifdef USE_TEXTURE2DARRAY
+#endif
+#ifdef YCBCR_TO_SRGB
+#endif
+
+#ifdef USE_CUBEMAP
+uniform samplerCube source_cube; //texunit:0
+#elif defined(USE_TEXTURE3D)
+uniform sampler3D source_3d; //texunit:0
+#elif defined(USE_TEXTURE2DARRAY)
+uniform sampler2DArray source_2d_array; //texunit:0
+#else
+uniform sampler2D source; //texunit:0
+#endif
+
+#ifdef SEP_CBCR_TEXTURE
+uniform sampler2D CbCr; //texunit:1
+#endif
+
+/* clang-format on */
+
+#ifdef USE_LOD
+uniform float mip_level;
+#endif
+
+#if defined(USE_TEXTURE3D) || defined(USE_TEXTURE2DARRAY)
+uniform float layer;
+#endif
+
+#ifdef USE_MULTIPLIER
+uniform float multiplier;
+#endif
+
+#if defined(USE_PANORAMA) || defined(USE_ASYM_PANO)
+uniform highp mat4 sky_transform;
+
+vec4 texturePanorama(vec3 normal, sampler2D pano) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return textureLod(pano, st, 0.0);
+}
+
+#endif
+
+uniform vec2 pixel_size;
+
+in vec2 uv2_interp;
+
+#ifdef USE_BCS
+
+uniform vec3 bcs;
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+uniform sampler2D color_correction; //texunit:1
+
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+void main() {
+	//vec4 color = color_interp;
+
+#ifdef USE_PANORAMA
+
+	vec3 cube_normal = normalize(cube_interp);
+	cube_normal.z = -cube_normal.z;
+	cube_normal = mat3(sky_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(cube_normal, source);
+
+#elif defined(USE_ASYM_PANO)
+
+	// When an asymmetrical projection matrix is used (applicable for stereoscopic rendering i.e. VR) we need to do this calculation per fragment to get a perspective correct result.
+	// Asymmetrical projection means the center of projection is no longer in the center of the screen but shifted.
+	// The Matrix[2][0] (= asym_proj.x) and Matrix[2][1] (= asym_proj.z) values are what provide the right shift in the image.
+
+	vec3 cube_normal;
+	cube_normal.z = -1.0;
+	cube_normal.x = (cube_normal.z * (-uv_interp.x - asym_proj.x)) / asym_proj.y;
+	cube_normal.y = (cube_normal.z * (-uv_interp.y - asym_proj.z)) / asym_proj.a;
+	cube_normal = mat3(sky_transform) * mat3(pano_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(normalize(cube_normal.xyz), source);
+
+#elif defined(USE_CUBEMAP)
+	vec4 color = texture(source_cube, normalize(cube_interp));
+
+#elif defined(USE_TEXTURE3D)
+	vec4 color = textureLod(source_3d, vec3(uv_interp, layer), 0.0);
+#elif defined(USE_TEXTURE2DARRAY)
+	vec4 color = textureLod(source_2d_array, vec3(uv_interp, layer), 0.0);
+#elif defined(SEP_CBCR_TEXTURE)
+	vec4 color;
+	color.r = textureLod(source, uv_interp, 0.0).r;
+	color.gb = textureLod(CbCr, uv_interp, 0.0).rg - vec2(0.5, 0.5);
+	color.a = 1.0;
+#else
+#ifdef USE_LOD
+	vec4 color = textureLod(source, uv_interp, mip_level);
+#else
+	vec4 color = textureLod(source, uv_interp, 0.0);
+#endif
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+
+#elif defined(YCBCR_TO_SRGB)
+
+	// YCbCr -> SRGB conversion
+	// Using BT.709 which is the standard for HDTV
+	color.rgb = mat3(
+						vec3(1.00000, 1.00000, 1.00000),
+						vec3(0.00000, -0.18732, 1.85560),
+						vec3(1.57481, -0.46813, 0.00000)) *
+			color.rgb;
+
+#endif
+
+#ifdef SRGB_TO_LINEAR
+
+	color.rgb = mix(pow((color.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), color.rgb * (1.0 / 12.92), lessThan(color.rgb, vec3(0.04045)));
+#endif
+
+#ifdef DEBUG_GRADIENT
+	color.rg = uv_interp;
+	color.b = 0.0;
+#endif
+
+#ifdef DISABLE_ALPHA
+	color.a = 1.0;
+#endif
+
+#ifdef GAUSSIAN_HORIZONTAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(2.0, 0.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(-1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(-2.0, 0.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(0.0, 1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, 2.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(0.0, -1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, -2.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef USE_BCS
+
+	color.rgb = mix(vec3(0.0), color.rgb, bcs.x);
+	color.rgb = mix(vec3(0.5), color.rgb, bcs.y);
+	color.rgb = mix(vec3(dot(vec3(1.0), color.rgb) * 0.33333), color.rgb, bcs.z);
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+	color.r = texture(color_correction, vec2(color.r, 0.0)).r;
+	color.g = texture(color_correction, vec2(color.g, 0.0)).g;
+	color.b = texture(color_correction, vec2(color.b, 0.0)).b;
+#endif
+
+#ifdef USE_MULTIPLIER
+	color.rgb *= multiplier;
+#endif
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define SRGB_TO_LINEAR
+#define DISABLE_ALPHA
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+layout(location = 4) in vec3 cube_in;
+#else
+layout(location = 4) in vec2 uv_in;
+#endif
+layout(location = 5) in vec2 uv2_in;
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+out vec3 cube_interp;
+#else
+out vec2 uv_interp;
+#endif
+
+out vec2 uv2_interp;
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_DISPLAY_TRANSFORM
+#endif
+
+#ifdef USE_COPY_SECTION
+
+uniform vec4 copy_section;
+
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+uniform highp mat4 display_transform;
+
+#endif
+
+void main() {
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+	cube_interp = cube_in;
+#elif defined(USE_ASYM_PANO)
+	uv_interp = vertex_attrib.xy;
+#else
+	uv_interp = uv_in;
+#ifdef V_FLIP
+	uv_interp.y = 1.0 - uv_interp.y;
+#endif
+
+#endif
+	uv2_interp = uv2_in;
+	gl_Position = vertex_attrib;
+
+#ifdef USE_COPY_SECTION
+
+	uv_interp = copy_section.xy + uv_interp * copy_section.zw;
+	gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0;
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+	uv_interp = (display_transform * vec4(uv_in, 1.0, 1.0)).xy;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-4.shader_test b/shaders/godot3.4/34-4.shader_test
new file mode 100644
index 0000000..5154fc9
--- /dev/null
+++ b/shaders/godot3.4/34-4.shader_test
@@ -0,0 +1,913 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_INSTANCING
+#define USE_INSTANCE_CUSTOM
+#define USE_PARTICLES
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+int m_particles_anim_h_frames;
+int m_particles_anim_v_frames;
+bool m_particles_anim_loop;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_INSTANCING
+#define USE_INSTANCE_CUSTOM
+#define USE_PARTICLES
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+int m_particles_anim_h_frames;
+int m_particles_anim_v_frames;
+bool m_particles_anim_loop;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+	{
+		float m_h_frames=float(m_particles_anim_h_frames);
+		float m_v_frames=float(m_particles_anim_v_frames);
+		outvec.xy.xy/=vec2(m_h_frames, m_v_frames);
+		float m_particle_total_frames=float((m_particles_anim_h_frames*m_particles_anim_v_frames));
+		float m_particle_frame=floor((instance_custom.z*float(m_particle_total_frames)));
+		if (!m_particles_anim_loop)
+		{
+					{
+			m_particle_frame=clamp(m_particle_frame, 0.0, (m_particle_total_frames-1.0));
+		}
+;
+		}
+		else
+		{
+					{
+			m_particle_frame=mod(m_particle_frame, m_particle_total_frames);
+		}
+;
+		}
+		uv/=vec2(m_h_frames, m_v_frames);
+		uv+=vec2((mod(m_particle_frame, m_h_frames)/m_h_frames), (floor(((m_particle_frame+0.5)/m_h_frames))/m_v_frames));
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-48.shader_test b/shaders/godot3.4/34-48.shader_test
new file mode 100644
index 0000000..2da990b
--- /dev/null
+++ b/shaders/godot3.4/34-48.shader_test
@@ -0,0 +1,2428 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-5.shader_test b/shaders/godot3.4/34-5.shader_test
new file mode 100644
index 0000000..16671a1
--- /dev/null
+++ b/shaders/godot3.4/34-5.shader_test
@@ -0,0 +1,1585 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec4 m_bkg_color;
+uniform highp vec4 m_dir_color;
+uniform highp sampler2D m_present;
+uniform bool m_differences_only;
+
+float m_zero_if_equal(in vec4 m_a, in vec4 m_b)
+{
+	return smoothstep(0.0, 0.005, (length((m_a.rgb - m_b.rgb)) / sqrt(3.0)));
+}
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_capture_samp = texture2D(color_texture, uv);
+	vec4 m_present_samp = texture2D(m_present, uv);
+	float m_bkg_mask = m_zero_if_equal(m_capture_samp, m_bkg_color);
+	float m_diff_mask = (1.0 - m_zero_if_equal(m_present_samp, m_bkg_color));
+	m_diff_mask = min(1.0, (m_diff_mask + float(!m_differences_only)));
+	color = vec4((m_capture_samp.rgb * m_dir_color.rgb), (m_bkg_mask * m_diff_mask));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec4 m_bkg_color;
+uniform highp vec4 m_dir_color;
+uniform highp sampler2D m_present;
+uniform bool m_differences_only;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-51.shader_test b/shaders/godot3.4/34-51.shader_test
new file mode 100644
index 0000000..324c1c2
--- /dev/null
+++ b/shaders/godot3.4/34-51.shader_test
@@ -0,0 +1,887 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+	{
+		vec3 m_c=textureLod(screen_texture, screen_uv, 0.0).rgb;
+		m_c=mod((m_c+vec3(0.5,0.5,0.5)), vec3(1.0,1.0,1.0));
+		color.rgb=m_c;
+	}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-53.shader_test b/shaders/godot3.4/34-53.shader_test
new file mode 100644
index 0000000..43f245f
--- /dev/null
+++ b/shaders/godot3.4/34-53.shader_test
@@ -0,0 +1,880 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_TEXTURE_RECT
+#define USE_DISTANCE_FIELD
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_TEXTURE_RECT
+#define USE_DISTANCE_FIELD
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-56.shader_test b/shaders/godot3.4/34-56.shader_test
new file mode 100644
index 0000000..9f260ae
--- /dev/null
+++ b/shaders/godot3.4/34-56.shader_test
@@ -0,0 +1,3269 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define FOG_DEPTH_ENABLED
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_13
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define FOG_DEPTH_ENABLED
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_13
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34-59.shader_test b/shaders/godot3.4/34-59.shader_test
new file mode 100644
index 0000000..6e79b4b
--- /dev/null
+++ b/shaders/godot3.4/34-59.shader_test
@@ -0,0 +1,347 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define DOF_QUALITY_MEDIUM
+#define DOF_FAR_BLUR
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+varying vec2 uv_interp;
+/* clang-format on */
+uniform sampler2D source_color; //texunit:0
+
+uniform float lod;
+uniform vec2 pixel_size;
+
+#if defined(GLOW_GAUSSIAN_HORIZONTAL) || defined(GLOW_GAUSSIAN_VERTICAL)
+
+uniform float glow_strength;
+
+#endif
+
+#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
+
+#ifdef USE_GLES_OVER_GL
+#ifdef DOF_QUALITY_LOW
+const int dof_kernel_size = 5;
+const int dof_kernel_from = 2;
+const float dof_kernel[5] = float[](0.153388, 0.221461, 0.250301, 0.221461, 0.153388);
+#endif
+
+#ifdef DOF_QUALITY_MEDIUM
+const int dof_kernel_size = 11;
+const int dof_kernel_from = 5;
+const float dof_kernel[11] = float[](0.055037, 0.072806, 0.090506, 0.105726, 0.116061, 0.119726, 0.116061, 0.105726, 0.090506, 0.072806, 0.055037);
+
+#endif
+
+#ifdef DOF_QUALITY_HIGH
+const int dof_kernel_size = 21;
+const int dof_kernel_from = 10;
+const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174);
+#endif
+#endif
+
+uniform sampler2D dof_source_depth; //texunit:1
+uniform float dof_begin;
+uniform float dof_end;
+uniform vec2 dof_dir;
+uniform float dof_radius;
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+uniform highp float luminance_cap;
+
+uniform float glow_bloom;
+uniform float glow_hdr_threshold;
+uniform float glow_hdr_scale;
+
+#endif
+
+uniform float camera_z_far;
+uniform float camera_z_near;
+
+void main() {
+#ifdef GLOW_GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+
+#ifdef USE_GLOW_HIGH_QUALITY
+	// Sample from two lines to capture single-pixel features.
+	// This is significantly slower, but looks better and is more stable for moving objects.
+	vec4 color = texture2DLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.152781;
+	color += texture2DLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += texture2DLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += texture2DLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += texture2DLod(source_color, uv_interp + vec2(4.0, 0.0) * pix_size, lod) * 0.063327;
+	color += texture2DLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += texture2DLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += texture2DLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += texture2DLod(source_color, uv_interp + vec2(-4.0, 0.0) * pix_size, lod) * 0.063327;
+
+	color += texture2DLod(source_color, uv_interp + vec2(0.0, 1.0) * pix_size, lod) * 0.152781;
+	color += texture2DLod(source_color, uv_interp + vec2(1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += texture2DLod(source_color, uv_interp + vec2(2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += texture2DLod(source_color, uv_interp + vec2(3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += texture2DLod(source_color, uv_interp + vec2(4.0, 1.0) * pix_size, lod) * 0.063327;
+	color += texture2DLod(source_color, uv_interp + vec2(-1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += texture2DLod(source_color, uv_interp + vec2(-2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += texture2DLod(source_color, uv_interp + vec2(-3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += texture2DLod(source_color, uv_interp + vec2(-4.0, 1.0) * pix_size, lod) * 0.063327;
+	color *= 0.5;
+#else
+	vec4 color = texture2DLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938;
+	color += texture2DLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += texture2DLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += texture2DLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595;
+	color += texture2DLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += texture2DLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += texture2DLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595;
+#endif //USE_GLOW_HIGH_QUALITY
+
+	color *= glow_strength;
+	gl_FragColor = color;
+#endif //GLOW_GAUSSIAN_HORIZONTAL
+
+#ifdef GLOW_GAUSSIAN_VERTICAL
+	vec4 color = texture2DLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713;
+	color += texture2DLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062;
+	color += texture2DLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581;
+	color += texture2DLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062;
+	color += texture2DLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581;
+	color *= glow_strength;
+	gl_FragColor = color;
+#endif
+
+#ifndef USE_GLES_OVER_GL
+#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
+
+#ifdef DOF_QUALITY_LOW
+	const int dof_kernel_size = 5;
+	const int dof_kernel_from = 2;
+	float dof_kernel[5];
+	dof_kernel[0] = 0.153388;
+	dof_kernel[1] = 0.221461;
+	dof_kernel[2] = 0.250301;
+	dof_kernel[3] = 0.221461;
+	dof_kernel[4] = 0.153388;
+#endif
+
+#ifdef DOF_QUALITY_MEDIUM
+	const int dof_kernel_size = 11;
+	const int dof_kernel_from = 5;
+	float dof_kernel[11];
+	dof_kernel[0] = 0.055037;
+	dof_kernel[1] = 0.072806;
+	dof_kernel[2] = 0.090506;
+	dof_kernel[3] = 0.105726;
+	dof_kernel[4] = 0.116061;
+	dof_kernel[5] = 0.119726;
+	dof_kernel[6] = 0.116061;
+	dof_kernel[7] = 0.105726;
+	dof_kernel[8] = 0.090506;
+	dof_kernel[9] = 0.072806;
+	dof_kernel[10] = 0.055037;
+#endif
+
+#ifdef DOF_QUALITY_HIGH
+	const int dof_kernel_size = 21;
+	const int dof_kernel_from = 10;
+	float dof_kernel[21];
+	dof_kernel[0] = 0.028174;
+	dof_kernel[1] = 0.032676;
+	dof_kernel[2] = 0.037311;
+	dof_kernel[3] = 0.041944;
+	dof_kernel[4] = 0.046421;
+	dof_kernel[5] = 0.050582;
+	dof_kernel[6] = 0.054261;
+	dof_kernel[7] = 0.057307;
+	dof_kernel[8] = 0.059587;
+	dof_kernel[9] = 0.060998;
+	dof_kernel[10] = 0.061476;
+	dof_kernel[11] = 0.060998;
+	dof_kernel[12] = 0.059587;
+	dof_kernel[13] = 0.057307;
+	dof_kernel[14] = 0.054261;
+	dof_kernel[15] = 0.050582;
+	dof_kernel[16] = 0.046421;
+	dof_kernel[17] = 0.041944;
+	dof_kernel[18] = 0.037311;
+	dof_kernel[19] = 0.032676;
+	dof_kernel[20] = 0.028174;
+#endif
+#endif
+#endif //!USE_GLES_OVER_GL
+
+#ifdef DOF_FAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float depth = texture2DLod(dof_source_depth, uv_interp, 0.0).r;
+	depth = depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near));
+#endif
+
+	float amount = smoothstep(dof_begin, dof_end, depth);
+	float k_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * amount * dof_radius;
+
+		float tap_k = dof_kernel[i];
+
+		float tap_depth = texture2D(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = int_ofs == 0 ? 1.0 : smoothstep(dof_begin, dof_end, tap_depth);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+		vec4 tap_color = texture2DLod(source_color, tap_uv, 0.0) * tap_k;
+
+		k_accum += tap_k * tap_amount;
+		color_accum += tap_color * tap_amount;
+	}
+
+	if (k_accum > 0.0) {
+		color_accum /= k_accum;
+	}
+
+	gl_FragColor = color_accum; ///k_accum;
+
+#endif
+
+#ifdef DOF_NEAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float max_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * dof_radius;
+		float ofs_influence = max(0.0, 1.0 - abs(float(int_ofs)) / float(dof_kernel_from));
+
+		float tap_k = dof_kernel[i];
+
+		vec4 tap_color = texture2DLod(source_color, tap_uv, 0.0);
+
+		float tap_depth = texture2D(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+#ifdef DOF_NEAR_FIRST_TAP
+
+		tap_color.a = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+
+#endif
+
+		max_accum = max(max_accum, tap_amount * ofs_influence);
+
+		color_accum += tap_color * tap_k;
+	}
+
+	color_accum.a = max(color_accum.a, sqrt(max_accum));
+
+	gl_FragColor = color_accum;
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+	float luminance = max(gl_FragColor.r, max(gl_FragColor.g, gl_FragColor.b));
+	float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom);
+
+	gl_FragColor = min(gl_FragColor * feedback, vec4(luminance_cap));
+
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define DOF_QUALITY_MEDIUM
+#define DOF_FAR_BLUR
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+attribute vec2 vertex_attrib; // attrib:0
+/* clang-format on */
+attribute vec2 uv_in; // attrib:4
+
+varying vec2 uv_interp;
+
+#ifdef USE_BLUR_SECTION
+
+uniform vec4 blur_section;
+
+#endif
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vec4(vertex_attrib, 0.0, 1.0);
+#ifdef USE_BLUR_SECTION
+
+	uv_interp = blur_section.xy + uv_interp * blur_section.zw;
+	gl_Position.xy = (blur_section.xy + (gl_Position.xy * 0.5 + 0.5) * blur_section.zw) * 2.0 - 1.0;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/34.shader_test b/shaders/godot3.4/34.shader_test
new file mode 100644
index 0000000..23c63a8
--- /dev/null
+++ b/shaders/godot3.4/34.shader_test
@@ -0,0 +1,1585 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec4 m_dir_color;
+uniform highp vec4 m_bkg_color;
+uniform bool m_differences_only;
+uniform highp sampler2D m_present;
+
+float m_zero_if_equal(in vec4 m_a, in vec4 m_b)
+{
+	return smoothstep(0.0, 0.005, (length((m_a.rgb - m_b.rgb)) / sqrt(3.0)));
+}
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_capture_samp = texture2D(color_texture, uv);
+	vec4 m_present_samp = texture2D(m_present, uv);
+	float m_bkg_mask = m_zero_if_equal(m_capture_samp, m_bkg_color);
+	float m_diff_mask = (1.0 - m_zero_if_equal(m_present_samp, m_bkg_color));
+	m_diff_mask = min(1.0, (m_diff_mask + float(!m_differences_only)));
+	color = vec4((m_capture_samp.rgb * m_dir_color.rgb), (m_bkg_mask * m_diff_mask));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec4 m_dir_color;
+uniform highp vec4 m_bkg_color;
+uniform bool m_differences_only;
+uniform highp sampler2D m_present;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/37-12.shader_test b/shaders/godot3.4/37-12.shader_test
new file mode 100644
index 0000000..8f6c768
--- /dev/null
+++ b/shaders/godot3.4/37-12.shader_test
@@ -0,0 +1,243 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_SOURCE_PANORAMA
+#define USE_DIRECT_WRITE
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+
+#endif
+
+#ifdef USE_SOURCE_PANORAMA
+uniform sampler2D source_panorama; //texunit:0
+#else
+uniform samplerCube source_cube; //texunit:0
+#endif
+/* clang-format on */
+
+uniform int face_id;
+uniform float roughness;
+varying highp vec2 uv_interp;
+
+uniform sampler2D radical_inverse_vdc_cache; // texunit:1
+
+#define M_PI 3.14159265359
+
+#ifdef LOW_QUALITY
+
+#define SAMPLE_COUNT 64
+
+#else
+
+#define SAMPLE_COUNT 512
+
+#endif
+
+#ifdef USE_SOURCE_PANORAMA
+
+vec4 texturePanorama(sampler2D pano, vec3 normal) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return texture2DLod(pano, st, 0.0);
+}
+
+#endif
+
+vec3 texelCoordToVec(vec2 uv, int faceID) {
+	mat3 faceUvVectors[6];
+
+	// -x
+	faceUvVectors[0][0] = vec3(0.0, 0.0, 1.0); // u -> +z
+	faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[0][2] = vec3(-1.0, 0.0, 0.0); // -x face
+
+	// +x
+	faceUvVectors[1][0] = vec3(0.0, 0.0, -1.0); // u -> -z
+	faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[1][2] = vec3(1.0, 0.0, 0.0); // +x face
+
+	// -y
+	faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[2][1] = vec3(0.0, 0.0, -1.0); // v -> -z
+	faceUvVectors[2][2] = vec3(0.0, -1.0, 0.0); // -y face
+
+	// +y
+	faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[3][1] = vec3(0.0, 0.0, 1.0); // v -> +z
+	faceUvVectors[3][2] = vec3(0.0, 1.0, 0.0); // +y face
+
+	// -z
+	faceUvVectors[4][0] = vec3(-1.0, 0.0, 0.0); // u -> -x
+	faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[4][2] = vec3(0.0, 0.0, -1.0); // -z face
+
+	// +z
+	faceUvVectors[5][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[5][2] = vec3(0.0, 0.0, 1.0); // +z face
+
+	// out = u * s_faceUv[0] + v * s_faceUv[1] + s_faceUv[2].
+	vec3 result;
+	for (int i = 0; i < 6; i++) {
+		if (i == faceID) {
+			result = (faceUvVectors[i][0] * uv.x) + (faceUvVectors[i][1] * uv.y) + faceUvVectors[i][2];
+			break;
+		}
+	}
+	return normalize(result);
+}
+
+vec3 ImportanceSampleGGX(vec2 Xi, float Roughness, vec3 N) {
+	float a = Roughness * Roughness; // DISNEY'S ROUGHNESS [see Burley'12 siggraph]
+
+	// Compute distribution direction
+	float Phi = 2.0 * M_PI * Xi.x;
+	float CosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));
+	float SinTheta = sqrt(1.0 - CosTheta * CosTheta);
+
+	// Convert to spherical direction
+	vec3 H;
+	H.x = SinTheta * cos(Phi);
+	H.y = SinTheta * sin(Phi);
+	H.z = CosTheta;
+
+	vec3 UpVector = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);
+	vec3 TangentX = normalize(cross(UpVector, N));
+	vec3 TangentY = cross(N, TangentX);
+
+	// Tangent to world space
+	return TangentX * H.x + TangentY * H.y + N * H.z;
+}
+
+float radical_inverse_VdC(int i) {
+	return texture2D(radical_inverse_vdc_cache, vec2(float(i) / 512.0, 0.0)).x;
+}
+
+vec2 Hammersley(int i, int N) {
+	return vec2(float(i) / float(N), radical_inverse_VdC(i));
+}
+
+uniform bool z_flip;
+
+void main() {
+	vec3 color = vec3(0.0);
+
+	vec2 uv = (uv_interp * 2.0) - 1.0;
+	vec3 N = texelCoordToVec(uv, face_id);
+
+#ifdef USE_DIRECT_WRITE
+
+#ifdef USE_SOURCE_PANORAMA
+
+	gl_FragColor = vec4(texturePanorama(source_panorama, N).rgb, 1.0);
+#else
+
+	gl_FragColor = vec4(textureCube(source_cube, N).rgb, 1.0);
+#endif //USE_SOURCE_PANORAMA
+
+#else
+
+	vec4 sum = vec4(0.0);
+
+	for (int sample_num = 0; sample_num < SAMPLE_COUNT; sample_num++) {
+		vec2 xi = Hammersley(sample_num, SAMPLE_COUNT);
+
+		vec3 H = ImportanceSampleGGX(xi, roughness, N);
+		vec3 V = N;
+		vec3 L = (2.0 * dot(V, H) * H - V);
+
+		float NdotL = clamp(dot(N, L), 0.0, 1.0);
+
+		if (NdotL > 0.0) {
+
+#ifdef USE_SOURCE_PANORAMA
+			vec3 val = texturePanorama(source_panorama, L).rgb;
+#else
+			vec3 val = textureCubeLod(source_cube, L, 0.0).rgb;
+#endif
+			//mix using Linear, to approximate high end back-end
+			val = mix(pow((val + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), val * (1.0 / 12.92), vec3(lessThan(val, vec3(0.04045))));
+
+			sum.rgb += val * NdotL;
+
+			sum.a += NdotL;
+		}
+	}
+
+	sum /= sum.a;
+
+	vec3 a = vec3(0.055);
+	sum.rgb = mix((vec3(1.0) + a) * pow(sum.rgb, vec3(1.0 / 2.4)) - a, 12.92 * sum.rgb, vec3(lessThan(sum.rgb, vec3(0.0031308))));
+
+	gl_FragColor = vec4(sum.rgb, 1.0);
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_SOURCE_PANORAMA
+#define USE_DIRECT_WRITE
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+attribute highp vec2 vertex; // attrib:0
+/* clang-format on */
+attribute highp vec2 uv; // attrib:4
+
+varying highp vec2 uv_interp;
+
+void main() {
+	uv_interp = uv;
+	gl_Position = vec4(vertex, 0, 1);
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/37-13.shader_test b/shaders/godot3.4/37-13.shader_test
new file mode 100644
index 0000000..9620d5c
--- /dev/null
+++ b/shaders/godot3.4/37-13.shader_test
@@ -0,0 +1,3267 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_13
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_13
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/37-3.shader_test b/shaders/godot3.4/37-3.shader_test
new file mode 100644
index 0000000..0b94892
--- /dev/null
+++ b/shaders/godot3.4/37-3.shader_test
@@ -0,0 +1,510 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+// any code here is never executed, stuff is filled just so it works
+
+#if defined(USE_MATERIAL)
+
+layout(std140) uniform UniformData {
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+int m_emission_texture_point_count;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+
+#endif
+uniform sampler2D m_emission_texture_points;
+
+
+void main() {
+
+	{
+
+
+	}
+
+	{
+
+
+	}
+}
+/* clang-format on */
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FRACTIONAL_DELTA
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 color;
+/* clang-format on */
+layout(location = 1) in highp vec4 velocity_active;
+layout(location = 2) in highp vec4 custom;
+layout(location = 3) in highp vec4 xform_1;
+layout(location = 4) in highp vec4 xform_2;
+layout(location = 5) in highp vec4 xform_3;
+
+struct Attractor {
+	vec3 pos;
+	vec3 dir;
+	float radius;
+	float eat_radius;
+	float strength;
+	float attenuation;
+};
+
+#define MAX_ATTRACTORS 64
+
+uniform bool emitting;
+uniform float system_phase;
+uniform float prev_system_phase;
+uniform int total_particles;
+uniform float explosiveness;
+uniform float randomness;
+uniform float time;
+uniform float delta;
+
+uniform int attractor_count;
+uniform Attractor attractors[MAX_ATTRACTORS];
+uniform bool clear;
+uniform uint cycle;
+uniform float lifetime;
+uniform mat4 emission_transform;
+uniform uint random_seed;
+
+out highp vec4 out_color; //tfb:
+out highp vec4 out_velocity_active; //tfb:
+out highp vec4 out_custom; //tfb:
+out highp vec4 out_xform_1; //tfb:
+out highp vec4 out_xform_2; //tfb:
+out highp vec4 out_xform_3; //tfb:
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:0
+vec3 m_direction;
+float m_spread;
+float m_flatness;
+float m_initial_linear_velocity;
+float m_initial_angle;
+float m_angular_velocity;
+float m_orbit_velocity;
+float m_linear_accel;
+float m_radial_accel;
+float m_tangent_accel;
+float m_damping;
+float m_scale;
+float m_hue_variation;
+float m_anim_speed;
+float m_anim_offset;
+float m_initial_linear_velocity_random;
+float m_initial_angle_random;
+float m_angular_velocity_random;
+float m_orbit_velocity_random;
+float m_linear_accel_random;
+float m_radial_accel_random;
+float m_tangent_accel_random;
+float m_damping_random;
+float m_scale_random;
+float m_hue_variation_random;
+float m_anim_speed_random;
+float m_anim_offset_random;
+float m_lifetime_randomness;
+int m_emission_texture_point_count;
+vec4 m_color_value;
+int m_trail_divisor;
+vec3 m_gravity;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_emission_texture_points;
+
+uint m_hash(uint m_x)
+	{
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=(((m_x>>16u)^m_x)*73244475u);
+		m_x=((m_x>>16u)^m_x);
+return m_x;	}
+
+float m_rand_from_seed(inout uint m_seed)
+	{
+		int m_k;
+		int m_s=int(m_seed);
+		if ((m_s==0))
+		{
+			m_s=305420679;
+		}
+		m_k=(m_s/127773);
+		m_s=((16807*(m_s-(m_k*127773)))-(2836*m_k));
+		if ((m_s<0))
+		{
+			m_s+=2147483647;
+		}
+		m_seed=uint(m_s);
+return (float((m_seed%65536u))/65535.0);	}
+
+float m_rand_from_seed_m1_p1(inout uint m_seed)
+	{
+return ((m_rand_from_seed(m_seed)*2.0)-1.0);	}
+
+
+/* clang-format on */
+
+uint hash(uint x) {
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
+	x = (x >> uint(16)) ^ x;
+	return x;
+}
+
+void main() {
+#ifdef PARTICLES_COPY
+
+	out_color = color;
+	out_velocity_active = velocity_active;
+	out_custom = custom;
+	out_xform_1 = xform_1;
+	out_xform_2 = xform_2;
+	out_xform_3 = xform_3;
+
+#else
+
+	bool apply_forces = true;
+	bool apply_velocity = true;
+	float local_delta = delta;
+
+	float mass = 1.0;
+
+	float restart_phase = float(gl_VertexID) / float(total_particles);
+
+	if (randomness > 0.0) {
+		uint seed = cycle;
+		if (restart_phase >= system_phase) {
+			seed -= uint(1);
+		}
+		seed *= uint(total_particles);
+		seed += uint(gl_VertexID);
+		float random = float(hash(seed) % uint(65536)) / 65536.0;
+		restart_phase += randomness * random * 1.0 / float(total_particles);
+	}
+
+	restart_phase *= (1.0 - explosiveness);
+	bool restart = false;
+	bool shader_active = velocity_active.a > 0.5;
+
+	if (system_phase > prev_system_phase) {
+		// restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed
+
+		if (restart_phase >= prev_system_phase && restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+
+	} else if (delta > 0.0) {
+		if (restart_phase >= prev_system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (1.0 - restart_phase + system_phase) * lifetime;
+#endif
+		} else if (restart_phase < system_phase) {
+			restart = true;
+#ifdef USE_FRACTIONAL_DELTA
+			local_delta = (system_phase - restart_phase) * lifetime;
+#endif
+		}
+	}
+
+	uint current_cycle = cycle;
+
+	if (system_phase < restart_phase) {
+		current_cycle -= uint(1);
+	}
+
+	uint particle_number = current_cycle * uint(total_particles) + uint(gl_VertexID);
+	int index = int(gl_VertexID);
+
+	if (restart) {
+		shader_active = emitting;
+	}
+
+	mat4 xform;
+
+#if defined(ENABLE_KEEP_DATA)
+	if (clear) {
+#else
+	if (clear || restart) {
+#endif
+		out_color = vec4(1.0);
+		out_velocity_active = vec4(0.0);
+		out_custom = vec4(0.0);
+		if (!restart)
+			shader_active = false;
+
+		xform = mat4(
+				vec4(1.0, 0.0, 0.0, 0.0),
+				vec4(0.0, 1.0, 0.0, 0.0),
+				vec4(0.0, 0.0, 1.0, 0.0),
+				vec4(0.0, 0.0, 0.0, 1.0));
+	} else {
+		out_color = color;
+		out_velocity_active = velocity_active;
+		out_custom = custom;
+		xform = transpose(mat4(xform_1, xform_2, xform_3, vec4(vec3(0.0), 1.0)));
+	}
+
+	if (shader_active) {
+		//execute shader
+
+		{
+			/* clang-format off */
+	{
+		uint m_base_number=(particle_number/uint(m_trail_divisor));
+		uint m_alt_seed=m_hash(((m_base_number+1u)+random_seed));
+		float m_angle_rand=m_rand_from_seed(m_alt_seed);
+		float m_scale_rand=m_rand_from_seed(m_alt_seed);
+		float m_hue_rot_rand=m_rand_from_seed(m_alt_seed);
+		float m_anim_offset_rand=m_rand_from_seed(m_alt_seed);
+		float m_pi=3.14159;
+		float m_degree_to_rad=(m_pi/180.0);
+		int m_point=min((m_emission_texture_point_count-1), int((m_rand_from_seed(m_alt_seed)*float(m_emission_texture_point_count))));
+		ivec2 m_emission_tex_size=textureSize(m_emission_texture_points, 0);
+		ivec2 m_emission_tex_ofs=ivec2((m_point%m_emission_tex_size.x), (m_point/m_emission_tex_size.x));
+		bool m_restart=false;
+		float m_tv=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			m_restart=true;
+			m_tv=1.0;
+		}
+;
+		}
+		if ((restart||m_restart))
+		{
+					{
+			uint m_alt_restart_seed=m_hash(((m_base_number+301184u)+random_seed));
+			float m_tex_linear_velocity=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_offset=0.0;
+			float m_spread_rad=(m_spread*m_degree_to_rad);
+					{
+			float m_angle1_rad=(m_rand_from_seed_m1_p1(m_alt_restart_seed)*m_spread_rad);
+			m_angle1_rad+=((m_direction.x!=0.0)?atan(m_direction.y, m_direction.x):(sign(m_direction.y)*(m_pi/2.0)));
+			vec3 m_rot=vec3(cos(m_angle1_rad), sin(m_angle1_rad), 0.0);
+			out_velocity_active.xyz=((m_rot*m_initial_linear_velocity)*mix(1.0, m_rand_from_seed(m_alt_restart_seed), m_initial_linear_velocity_random));
+		}
+;
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.y=0.0;
+			out_custom.w=(1.0-(m_lifetime_randomness*m_rand_from_seed(m_alt_restart_seed)));
+			out_custom.z=((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random));
+			xform[3].xyz=texelFetch(m_emission_texture_points, m_emission_tex_ofs, 0).xyz;
+			out_velocity_active.xyz=(emission_transform*vec4(out_velocity_active.xyz, 0.0)).xyz;
+			xform=(emission_transform*xform);
+			out_velocity_active.xyz.z=0.0;
+			xform[3].z=0.0;
+		}
+;
+		}
+		else
+		{
+					{
+			out_custom.y+=(local_delta/lifetime);
+			m_tv=(out_custom.y/out_custom.w);
+			float m_tex_linear_velocity=0.0;
+			float m_tex_orbit_velocity=0.0;
+			float m_tex_angular_velocity=0.0;
+			float m_tex_linear_accel=0.0;
+			float m_tex_radial_accel=0.0;
+			float m_tex_tangent_accel=0.0;
+			float m_tex_damping=0.0;
+			float m_tex_angle=0.0;
+			float m_tex_anim_speed=0.0;
+			float m_tex_anim_offset=0.0;
+			vec3 m_force=m_gravity;
+			vec3 m_pos=xform[3].xyz;
+			m_pos.z=0.0;
+			m_force+=((length(out_velocity_active.xyz)>0.0)?((normalize(out_velocity_active.xyz)*(m_linear_accel+m_tex_linear_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_linear_accel_random)):vec3(0.0,0.0,0.0));
+			vec3 m_org=emission_transform[3].xyz;
+			vec3 m_diff=(m_pos-m_org);
+			m_force+=((length(m_diff)>0.0)?((normalize(m_diff)*(m_radial_accel+m_tex_radial_accel))*mix(1.0, m_rand_from_seed(m_alt_seed), m_radial_accel_random)):vec3(0.0,0.0,0.0));
+			m_force+=((length(m_diff.yx)>0.0)?(vec3(normalize((m_diff.yx*vec2(-1.0,1.0))), 0.0)*((m_tangent_accel+m_tex_tangent_accel)*mix(1.0, m_rand_from_seed(m_alt_seed), m_tangent_accel_random))):vec3(0.0,0.0,0.0));
+			out_velocity_active.xyz+=(m_force*local_delta);
+			float m_orbit_amount=((m_orbit_velocity+m_tex_orbit_velocity)*mix(1.0, m_rand_from_seed(m_alt_seed), m_orbit_velocity_random));
+			if ((m_orbit_amount!=0.0))
+			{
+							{
+				float m_ang=(((m_orbit_amount*local_delta)*m_pi)*2.0);
+				mat2 m_rot=mat2(vec2(cos(m_ang), -sin(m_ang)), vec2(sin(m_ang), cos(m_ang)));
+				xform[3].xy-=m_diff.xy;
+				xform[3].xy+=(m_rot*m_diff.xy);
+			}
+;
+			}
+			if (((m_damping+m_tex_damping)>0.0))
+			{
+							{
+				float m_v=length(out_velocity_active.xyz);
+				float m_damp=((m_damping+m_tex_damping)*mix(1.0, m_rand_from_seed(m_alt_seed), m_damping_random));
+				m_v-=(m_damp*local_delta);
+				if ((m_v<0.0))
+				{
+									{
+					out_velocity_active.xyz=vec3(0.0,0.0,0.0);
+				}
+;
+				}
+				else
+				{
+									{
+					out_velocity_active.xyz=(normalize(out_velocity_active.xyz)*m_v);
+				}
+;
+				}
+			}
+;
+			}
+			float m_base_angle=((m_initial_angle+m_tex_angle)*mix(1.0, m_angle_rand, m_initial_angle_random));
+			m_base_angle+=(((out_custom.y*lifetime)*(m_angular_velocity+m_tex_angular_velocity))*mix(1.0, ((m_rand_from_seed(m_alt_seed)*2.0)-1.0), m_angular_velocity_random));
+			out_custom.x=(m_base_angle*m_degree_to_rad);
+			out_custom.z=(((m_anim_offset+m_tex_anim_offset)*mix(1.0, m_anim_offset_rand, m_anim_offset_random))+((out_custom.y*(m_anim_speed+m_tex_anim_speed))*mix(1.0, m_rand_from_seed(m_alt_seed), m_anim_speed_random)));
+		}
+;
+		}
+		float m_tex_scale=1.0;
+		float m_tex_hue_variation=0.0;
+		float m_hue_rot_angle=((((m_hue_variation+m_tex_hue_variation)*m_pi)*2.0)*mix(1.0, ((m_hue_rot_rand*2.0)-1.0), m_hue_variation_random));
+		float m_hue_rot_c=cos(m_hue_rot_angle);
+		float m_hue_rot_s=sin(m_hue_rot_angle);
+		mat4 m_hue_rot_mat=((mat4(0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.299,0.587,0.114,0.0,0.0,0.0,0.0,1.0)+(mat4(0.701,-0.587,-0.114,0.0,-0.299,0.413,-0.114,0.0,-0.3,-0.588,0.886,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_c))+(mat4(0.168,0.33,-0.497,0.0,-0.328,0.035,0.292,0.0,1.25,-1.05,-0.203,0.0,0.0,0.0,0.0,0.0)*m_hue_rot_s));
+		out_color=(m_hue_rot_mat*m_color_value);
+		xform[0]=vec4(cos(out_custom.x), -sin(out_custom.x), 0.0, 0.0);
+		xform[1]=vec4(sin(out_custom.x), cos(out_custom.x), 0.0, 0.0);
+		xform[2]=vec4(0.0,0.0,1.0,0.0);
+		float m_base_scale=(m_tex_scale*mix(m_scale, 1.0, (m_scale_random*m_scale_rand)));
+		if ((m_base_scale<1e-06))
+		{
+					{
+			m_base_scale=1e-06;
+		}
+;
+		}
+		xform[0].xyz*=m_base_scale;
+		xform[1].xyz*=m_base_scale;
+		xform[2].xyz*=m_base_scale;
+		out_velocity_active.xyz.z=0.0;
+		xform[3].z=0.0;
+		if ((out_custom.y>out_custom.w))
+		{
+					{
+			shader_active=false;
+		}
+;
+		}
+	}
+
+
+			/* clang-format on */
+		}
+
+#if !defined(DISABLE_FORCE)
+
+		if (false) {
+			vec3 force = vec3(0.0);
+			for (int i = 0; i < attractor_count; i++) {
+				vec3 rel_vec = xform[3].xyz - attractors[i].pos;
+				float dist = length(rel_vec);
+				if (attractors[i].radius < dist)
+					continue;
+				if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) {
+					out_velocity_active.a = 0.0;
+				}
+
+				rel_vec = normalize(rel_vec);
+
+				float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation);
+
+				if (attractors[i].dir == vec3(0.0)) {
+					//towards center
+					force += attractors[i].strength * rel_vec * attenuation * mass;
+				} else {
+					force += attractors[i].strength * attractors[i].dir * attenuation * mass;
+				}
+			}
+
+			out_velocity_active.xyz += force * local_delta;
+		}
+#endif
+
+#if !defined(DISABLE_VELOCITY)
+
+		if (true) {
+			xform[3].xyz += out_velocity_active.xyz * local_delta;
+		}
+#endif
+	} else {
+		xform = mat4(0.0);
+	}
+
+	xform = transpose(xform);
+
+	out_velocity_active.a = mix(0.0, 1.0, shader_active);
+
+	out_xform_1 = xform[0];
+	out_xform_2 = xform[1];
+	out_xform_3 = xform[2];
+
+#endif //PARTICLES_COPY
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/37-43.shader_test b/shaders/godot3.4/37-43.shader_test
new file mode 100644
index 0000000..af16a6e
--- /dev/null
+++ b/shaders/godot3.4/37-43.shader_test
@@ -0,0 +1,1587 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define USE_PIXEL_SNAP
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec4 m_bkg_color;
+uniform highp vec4 m_dir_color;
+uniform bool m_differences_only;
+uniform highp sampler2D m_present;
+
+float m_zero_if_equal(in vec4 m_a, in vec4 m_b)
+{
+	return smoothstep(0.0, 0.005, (length((m_a.rgb - m_b.rgb)) / sqrt(3.0)));
+}
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_capture_samp = texture2D(color_texture, uv);
+	vec4 m_present_samp = texture2D(m_present, uv);
+	float m_bkg_mask = m_zero_if_equal(m_capture_samp, m_bkg_color);
+	float m_diff_mask = (1.0 - m_zero_if_equal(m_present_samp, m_bkg_color));
+	m_diff_mask = min(1.0, (m_diff_mask + float(!m_differences_only)));
+	color = vec4((m_capture_samp.rgb * m_dir_color.rgb), (m_bkg_mask * m_diff_mask));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define USE_PIXEL_SNAP
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec4 m_bkg_color;
+uniform highp vec4 m_dir_color;
+uniform bool m_differences_only;
+uniform highp sampler2D m_present;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/37-46.shader_test b/shaders/godot3.4/37-46.shader_test
new file mode 100644
index 0000000..a6fb4af
--- /dev/null
+++ b/shaders/godot3.4/37-46.shader_test
@@ -0,0 +1,2375 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define RENDER_DEPTH
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/37-50.shader_test b/shaders/godot3.4/37-50.shader_test
new file mode 100644
index 0000000..360b9f2
--- /dev/null
+++ b/shaders/godot3.4/37-50.shader_test
@@ -0,0 +1,886 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+	{
+		vec3 m_c=textureLod(screen_texture, screen_uv, 0.0).rgb;
+		color.rgb=normalize(m_c);
+	}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/37-52.shader_test b/shaders/godot3.4/37-52.shader_test
new file mode 100644
index 0000000..4bfb610
--- /dev/null
+++ b/shaders/godot3.4/37-52.shader_test
@@ -0,0 +1,878 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_DISTANCE_FIELD
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_DISTANCE_FIELD
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/37-55.shader_test b/shaders/godot3.4/37-55.shader_test
new file mode 100644
index 0000000..58ef427
--- /dev/null
+++ b/shaders/godot3.4/37-55.shader_test
@@ -0,0 +1,3232 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define FOG_DEPTH_ENABLED
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_13
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define FOG_DEPTH_ENABLED
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_13
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/37-58.shader_test b/shaders/godot3.4/37-58.shader_test
new file mode 100644
index 0000000..303ffe6
--- /dev/null
+++ b/shaders/godot3.4/37-58.shader_test
@@ -0,0 +1,778 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+// Allows the use of bitshift operators for bicubic upscale
+#ifdef GL_EXT_gpu_shader4
+#extension GL_EXT_gpu_shader4 : enable
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+varying vec2 uv_interp;
+/* clang-format on */
+
+uniform highp sampler2D source; //texunit:0
+
+#if defined(USE_GLOW_LEVEL1) || defined(USE_GLOW_LEVEL2) || defined(USE_GLOW_LEVEL3) || defined(USE_GLOW_LEVEL4) || defined(USE_GLOW_LEVEL5) || defined(USE_GLOW_LEVEL6) || defined(USE_GLOW_LEVEL7)
+#define USING_GLOW // only use glow when at least one glow level is selected
+
+#ifdef USE_MULTI_TEXTURE_GLOW
+uniform highp sampler2D source_glow1; //texunit:2
+uniform highp sampler2D source_glow2; //texunit:3
+uniform highp sampler2D source_glow3; //texunit:4
+uniform highp sampler2D source_glow4; //texunit:5
+uniform highp sampler2D source_glow5; //texunit:6
+uniform highp sampler2D source_glow6; //texunit:7
+#ifdef USE_GLOW_LEVEL7
+uniform highp sampler2D source_glow7; //texunit:8
+#endif
+#else
+uniform highp sampler2D source_glow; //texunit:2
+#endif
+uniform highp float glow_intensity;
+#endif
+
+#ifdef USE_BCS
+uniform vec3 bcs;
+#endif
+
+#ifdef USE_FXAA
+uniform vec2 pixel_size;
+#endif
+
+#ifdef USE_SHARPENING
+uniform float sharpen_intensity;
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+uniform sampler2D color_correction; //texunit:1
+#endif
+
+#ifdef GL_EXT_gpu_shader4
+#ifdef USE_GLOW_FILTER_BICUBIC
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+uniform ivec2 glow_texture_size;
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv, int p_lod) {
+	float lod = float(p_lod);
+	vec2 tex_size = vec2(glow_texture_size >> p_lod);
+	vec2 texel_size = vec2(1.0) / tex_size;
+
+	uv = uv * tex_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2DLod(tex, p0, lod) + g1x * texture2DLod(tex, p1, lod))) +
+			(g1(fuv.y) * (g0x * texture2DLod(tex, p2, lod) + g1x * texture2DLod(tex, p3, lod)));
+}
+
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2D_bicubic(m_tex, m_uv, m_lod)
+#else //!USE_GLOW_FILTER_BICUBIC
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2DLod(m_tex, m_uv, float(m_lod))
+#endif //USE_GLOW_FILTER_BICUBIC
+
+#else //!GL_EXT_gpu_shader4
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2DLod(m_tex, m_uv, float(m_lod))
+#endif //GL_EXT_gpu_shader4
+
+vec3 apply_glow(vec3 color, vec3 glow) { // apply glow using the selected blending mode
+#ifdef USE_GLOW_REPLACE
+	color = glow;
+#endif
+
+#ifdef USE_GLOW_SCREEN
+	color = max((color + glow) - (color * glow), vec3(0.0));
+#endif
+
+#ifdef USE_GLOW_SOFTLIGHT
+	glow = glow * vec3(0.5) + vec3(0.5);
+
+	color.r = (glow.r <= 0.5) ? (color.r - (1.0 - 2.0 * glow.r) * color.r * (1.0 - color.r)) : (((glow.r > 0.5) && (color.r <= 0.25)) ? (color.r + (2.0 * glow.r - 1.0) * (4.0 * color.r * (4.0 * color.r + 1.0) * (color.r - 1.0) + 7.0 * color.r)) : (color.r + (2.0 * glow.r - 1.0) * (sqrt(color.r) - color.r)));
+	color.g = (glow.g <= 0.5) ? (color.g - (1.0 - 2.0 * glow.g) * color.g * (1.0 - color.g)) : (((glow.g > 0.5) && (color.g <= 0.25)) ? (color.g + (2.0 * glow.g - 1.0) * (4.0 * color.g * (4.0 * color.g + 1.0) * (color.g - 1.0) + 7.0 * color.g)) : (color.g + (2.0 * glow.g - 1.0) * (sqrt(color.g) - color.g)));
+	color.b = (glow.b <= 0.5) ? (color.b - (1.0 - 2.0 * glow.b) * color.b * (1.0 - color.b)) : (((glow.b > 0.5) && (color.b <= 0.25)) ? (color.b + (2.0 * glow.b - 1.0) * (4.0 * color.b * (4.0 * color.b + 1.0) * (color.b - 1.0) + 7.0 * color.b)) : (color.b + (2.0 * glow.b - 1.0) * (sqrt(color.b) - color.b)));
+#endif
+
+#if !defined(USE_GLOW_SCREEN) && !defined(USE_GLOW_SOFTLIGHT) && !defined(USE_GLOW_REPLACE) // no other selected -> additive
+	color += glow;
+#endif
+
+	return color;
+}
+
+vec3 apply_bcs(vec3 color, vec3 bcs) {
+	color = mix(vec3(0.0), color, bcs.x);
+	color = mix(vec3(0.5), color, bcs.y);
+	color = mix(vec3(dot(vec3(1.0), color) * 0.33333), color, bcs.z);
+
+	return color;
+}
+
+vec3 apply_color_correction(vec3 color, sampler2D correction_tex) {
+	color.r = texture2D(correction_tex, vec2(color.r, 0.0)).r;
+	color.g = texture2D(correction_tex, vec2(color.g, 0.0)).g;
+	color.b = texture2D(correction_tex, vec2(color.b, 0.0)).b;
+
+	return color;
+}
+
+vec3 apply_fxaa(vec3 color, vec2 uv_interp, vec2 pixel_size) {
+	const float FXAA_REDUCE_MIN = (1.0 / 128.0);
+	const float FXAA_REDUCE_MUL = (1.0 / 8.0);
+	const float FXAA_SPAN_MAX = 8.0;
+
+	vec3 rgbNW = texture2DLod(source, uv_interp + vec2(-1.0, -1.0) * pixel_size, 0.0).xyz;
+	vec3 rgbNE = texture2DLod(source, uv_interp + vec2(1.0, -1.0) * pixel_size, 0.0).xyz;
+	vec3 rgbSW = texture2DLod(source, uv_interp + vec2(-1.0, 1.0) * pixel_size, 0.0).xyz;
+	vec3 rgbSE = texture2DLod(source, uv_interp + vec2(1.0, 1.0) * pixel_size, 0.0).xyz;
+	vec3 rgbM = color;
+	vec3 luma = vec3(0.299, 0.587, 0.114);
+	float lumaNW = dot(rgbNW, luma);
+	float lumaNE = dot(rgbNE, luma);
+	float lumaSW = dot(rgbSW, luma);
+	float lumaSE = dot(rgbSE, luma);
+	float lumaM = dot(rgbM, luma);
+	float lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));
+	float lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));
+
+	vec2 dir;
+	dir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));
+	dir.y = ((lumaNW + lumaSW) - (lumaNE + lumaSE));
+
+	float dirReduce = max((lumaNW + lumaNE + lumaSW + lumaSE) *
+					(0.25 * FXAA_REDUCE_MUL),
+			FXAA_REDUCE_MIN);
+
+	float rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);
+	dir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX),
+				  max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX),
+						  dir * rcpDirMin)) *
+			pixel_size;
+
+	vec3 rgbA = 0.5 * (texture2DLod(source, uv_interp + dir * (1.0 / 3.0 - 0.5), 0.0).xyz + texture2DLod(source, uv_interp + dir * (2.0 / 3.0 - 0.5), 0.0).xyz);
+	vec3 rgbB = rgbA * 0.5 + 0.25 * (texture2DLod(source, uv_interp + dir * -0.5, 0.0).xyz + texture2DLod(source, uv_interp + dir * 0.5, 0.0).xyz);
+
+	float lumaB = dot(rgbB, luma);
+	if ((lumaB < lumaMin) || (lumaB > lumaMax)) {
+		return rgbA;
+	} else {
+		return rgbB;
+	}
+}
+
+void main() {
+	vec3 color = texture2DLod(source, uv_interp, 0.0).rgb;
+
+#ifdef USE_FXAA
+	color = apply_fxaa(color, uv_interp, pixel_size);
+#endif
+
+	// Glow
+
+#ifdef USING_GLOW
+	vec3 glow = vec3(0.0);
+#ifdef USE_MULTI_TEXTURE_GLOW
+#ifdef USE_GLOW_LEVEL1
+	glow += GLOW_TEXTURE_SAMPLE(source_glow1, uv_interp, 0).rgb;
+#ifdef USE_GLOW_LEVEL2
+	glow += GLOW_TEXTURE_SAMPLE(source_glow2, uv_interp, 0).rgb;
+#ifdef USE_GLOW_LEVEL3
+	glow += GLOW_TEXTURE_SAMPLE(source_glow3, uv_interp, 0).rgb;
+#ifdef USE_GLOW_LEVEL4
+	glow += GLOW_TEXTURE_SAMPLE(source_glow4, uv_interp, 0).rgb;
+#ifdef USE_GLOW_LEVEL5
+	glow += GLOW_TEXTURE_SAMPLE(source_glow5, uv_interp, 0).rgb;
+#ifdef USE_GLOW_LEVEL6
+	glow += GLOW_TEXTURE_SAMPLE(source_glow6, uv_interp, 0).rgb;
+#ifdef USE_GLOW_LEVEL7
+	glow += GLOW_TEXTURE_SAMPLE(source_glow7, uv_interp, 0).rgb;
+#endif
+#endif
+#endif
+#endif
+#endif
+#endif
+#endif
+
+#else
+
+#ifdef USE_GLOW_LEVEL1
+	glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 1).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL2
+	glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 2).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL3
+	glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 3).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL4
+	glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 4).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL5
+	glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 5).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL6
+	glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 6).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL7
+	glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 7).rgb;
+#endif
+#endif //USE_MULTI_TEXTURE_GLOW
+
+	glow *= glow_intensity;
+	color = apply_glow(color, glow);
+#endif
+
+	// Additional effects
+
+#ifdef USE_BCS
+	color = apply_bcs(color, bcs);
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+	color = apply_color_correction(color, color_correction);
+#endif
+
+	gl_FragColor = vec4(color, 1.0);
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+attribute vec2 vertex_attrib; // attrib:0
+/* clang-format on */
+attribute vec2 uv_in; // attrib:4
+
+varying vec2 uv_interp;
+
+void main() {
+	gl_Position = vec4(vertex_attrib, 0.0, 1.0);
+
+	uv_interp = uv_in;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/4-101.shader_test b/shaders/godot3.4/4-101.shader_test
new file mode 100644
index 0000000..ad3cfbf
--- /dev/null
+++ b/shaders/godot3.4/4-101.shader_test
@@ -0,0 +1,383 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_SOURCE_PANORAMA
+#define USE_DUAL_PARABOLOID
+#define COMPUTE_IRRADIANCE
+precision highp float;
+precision highp int;
+
+precision highp float;
+/* clang-format on */
+precision highp int;
+
+#ifdef USE_SOURCE_PANORAMA
+uniform sampler2D source_panorama; //texunit:0
+uniform float source_resolution;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+uniform sampler2DArray source_dual_paraboloid_array; //texunit:0
+uniform int source_array_index;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+uniform sampler2D source_dual_paraboloid; //texunit:0
+#endif
+
+#if defined(USE_SOURCE_DUAL_PARABOLOID) || defined(COMPUTE_IRRADIANCE)
+uniform float source_mip_level;
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+uniform samplerCube source_cube; //texunit:0
+#endif
+
+uniform int face_id;
+uniform float roughness;
+
+in highp vec2 uv_interp;
+
+layout(location = 0) out vec4 frag_color;
+
+#define M_PI 3.14159265359
+
+vec3 texelCoordToVec(vec2 uv, int faceID) {
+	mat3 faceUvVectors[6];
+	/*
+	// -x
+	faceUvVectors[1][0] = vec3(0.0, 0.0, 1.0);  // u -> +z
+	faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[1][2] = vec3(-1.0, 0.0, 0.0); // -x face
+
+	// +x
+	faceUvVectors[0][0] = vec3(0.0, 0.0, -1.0); // u -> -z
+	faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[0][2] = vec3(1.0, 0.0, 0.0);  // +x face
+
+	// -y
+	faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[3][1] = vec3(0.0, 0.0, -1.0); // v -> -z
+	faceUvVectors[3][2] = vec3(0.0, -1.0, 0.0); // -y face
+
+	// +y
+	faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[2][1] = vec3(0.0, 0.0, 1.0);  // v -> +z
+	faceUvVectors[2][2] = vec3(0.0, 1.0, 0.0);  // +y face
+
+	// -z
+	faceUvVectors[5][0] = vec3(-1.0, 0.0, 0.0); // u -> -x
+	faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[5][2] = vec3(0.0, 0.0, -1.0); // -z face
+
+	// +z
+	faceUvVectors[4][0] = vec3(1.0, 0.0, 0.0);  // u -> +x
+	faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[4][2] = vec3(0.0, 0.0, 1.0);  // +z face
+	*/
+
+	// -x
+	faceUvVectors[0][0] = vec3(0.0, 0.0, 1.0); // u -> +z
+	faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[0][2] = vec3(-1.0, 0.0, 0.0); // -x face
+
+	// +x
+	faceUvVectors[1][0] = vec3(0.0, 0.0, -1.0); // u -> -z
+	faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[1][2] = vec3(1.0, 0.0, 0.0); // +x face
+
+	// -y
+	faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[2][1] = vec3(0.0, 0.0, -1.0); // v -> -z
+	faceUvVectors[2][2] = vec3(0.0, -1.0, 0.0); // -y face
+
+	// +y
+	faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[3][1] = vec3(0.0, 0.0, 1.0); // v -> +z
+	faceUvVectors[3][2] = vec3(0.0, 1.0, 0.0); // +y face
+
+	// -z
+	faceUvVectors[4][0] = vec3(-1.0, 0.0, 0.0); // u -> -x
+	faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[4][2] = vec3(0.0, 0.0, -1.0); // -z face
+
+	// +z
+	faceUvVectors[5][0] = vec3(1.0, 0.0, 0.0); // u -> +x
+	faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y
+	faceUvVectors[5][2] = vec3(0.0, 0.0, 1.0); // +z face
+
+	// out = u * s_faceUv[0] + v * s_faceUv[1] + s_faceUv[2].
+	vec3 result = (faceUvVectors[faceID][0] * uv.x) + (faceUvVectors[faceID][1] * uv.y) + faceUvVectors[faceID][2];
+	return normalize(result);
+}
+
+vec3 ImportanceSampleGGX(vec2 Xi, float Roughness, vec3 N) {
+	float a = Roughness * Roughness; // DISNEY'S ROUGHNESS [see Burley'12 siggraph]
+
+	// Compute distribution direction
+	float Phi = 2.0 * M_PI * Xi.x;
+	float CosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));
+	float SinTheta = sqrt(1.0 - CosTheta * CosTheta);
+
+	// Convert to spherical direction
+	vec3 H;
+	H.x = SinTheta * cos(Phi);
+	H.y = SinTheta * sin(Phi);
+	H.z = CosTheta;
+
+	vec3 UpVector = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);
+	vec3 TangentX = normalize(cross(UpVector, N));
+	vec3 TangentY = cross(N, TangentX);
+
+	// Tangent to world space
+	return TangentX * H.x + TangentY * H.y + N * H.z;
+}
+
+float DistributionGGX(vec3 N, vec3 H, float roughness) {
+	float a = roughness * roughness;
+	float a2 = a * a;
+	float NdotH = max(dot(N, H), 0.0);
+	float NdotH2 = NdotH * NdotH;
+
+	float nom = a2;
+	float denom = (NdotH2 * (a2 - 1.0) + 1.0);
+	denom = M_PI * denom * denom;
+
+	return nom / denom;
+}
+
+// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html
+float GGX(float NdotV, float a) {
+	float k = a / 2.0;
+	return NdotV / (NdotV * (1.0 - k) + k);
+}
+
+// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html
+float G_Smith(float a, float nDotV, float nDotL) {
+	return GGX(nDotL, a * a) * GGX(nDotV, a * a);
+}
+
+float radicalInverse_VdC(uint bits) {
+	bits = (bits << 16u) | (bits >> 16u);
+	bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);
+	bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);
+	bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);
+	bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);
+	return float(bits) * 2.3283064365386963e-10; // / 0x100000000
+}
+
+vec2 Hammersley(uint i, uint N) {
+	return vec2(float(i) / float(N), radicalInverse_VdC(i));
+}
+
+#ifdef LOW_QUALITY
+
+#define SAMPLE_COUNT 64u
+#define SAMPLE_DELTA 0.1
+
+#else
+
+#define SAMPLE_COUNT 512u
+#define SAMPLE_DELTA 0.03
+
+#endif
+
+uniform bool z_flip;
+
+#ifdef USE_SOURCE_PANORAMA
+
+vec4 texturePanorama(vec3 normal, sampler2D pano, float mipLevel) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return textureLod(pano, st, mipLevel);
+}
+
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+
+vec4 textureDualParaboloidArray(vec3 normal) {
+	vec3 norm = normalize(normal);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z < 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(source_dual_paraboloid_array, vec3(norm.xy, float(source_array_index)), 0.0);
+}
+
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+vec4 textureDualParaboloid(vec3 normal) {
+	vec3 norm = normalize(normal);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z < 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(source_dual_paraboloid, norm.xy, source_mip_level);
+}
+
+#endif
+
+void main() {
+#ifdef USE_DUAL_PARABOLOID
+
+	vec3 N = vec3(uv_interp * 2.0 - 1.0, 0.0);
+	N.z = 0.5 - 0.5 * ((N.x * N.x) + (N.y * N.y));
+	N = normalize(N);
+
+	if (z_flip) {
+		N.y = -N.y; //y is flipped to improve blending between both sides
+		N.z = -N.z;
+	}
+
+#else
+	vec2 uv = (uv_interp * 2.0) - 1.0;
+	vec3 N = texelCoordToVec(uv, face_id);
+#endif
+	//vec4 color = color_interp;
+
+#ifdef USE_DIRECT_WRITE
+
+#ifdef USE_SOURCE_PANORAMA
+
+	frag_color = vec4(texturePanorama(N, source_panorama, 0.0).rgb, 1.0);
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+
+	frag_color = vec4(textureDualParaboloidArray(N).rgb, 1.0);
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+
+	frag_color = vec4(textureDualParaboloid(N).rgb, 1.0);
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+
+	N.y = -N.y;
+	frag_color = vec4(texture(N, source_cube).rgb, 1.0);
+#endif
+
+#else // USE_DIRECT_WRITE
+
+#ifdef COMPUTE_IRRADIANCE
+
+	vec3 irradiance = vec3(0.0);
+
+	// tangent space calculation from origin point
+	vec3 UpVector = vec3(0.0, 1.0, 0.0);
+	vec3 TangentX = cross(UpVector, N);
+	vec3 TangentY = cross(N, TangentX);
+
+	float num_samples = 0.0f;
+
+	for (float phi = 0.0; phi < 2.0 * M_PI; phi += SAMPLE_DELTA) {
+		for (float theta = 0.0; theta < 0.5 * M_PI; theta += SAMPLE_DELTA) {
+			// Calculate sample positions
+			vec3 tangentSample = vec3(sin(theta) * cos(phi), sin(theta) * sin(phi), cos(theta));
+			// Find world vector of sample position
+			vec3 H = tangentSample.x * TangentX + tangentSample.y * TangentY + tangentSample.z * N;
+
+			vec2 st = vec2(atan(H.x, H.z), acos(H.y));
+			if (st.x < 0.0) {
+				st.x += M_PI * 2.0;
+			}
+			st /= vec2(M_PI * 2.0, M_PI);
+
+			irradiance += textureLod(source_panorama, st, source_mip_level).rgb * cos(theta) * sin(theta);
+			num_samples++;
+		}
+	}
+	irradiance = M_PI * irradiance * (1.0 / float(num_samples));
+
+	frag_color = vec4(irradiance, 1.0);
+
+#else
+
+	vec4 sum = vec4(0.0, 0.0, 0.0, 0.0);
+
+	for (uint sampleNum = 0u; sampleNum < SAMPLE_COUNT; sampleNum++) {
+		vec2 xi = Hammersley(sampleNum, SAMPLE_COUNT);
+
+		vec3 H = normalize(ImportanceSampleGGX(xi, roughness, N));
+		vec3 V = N;
+		vec3 L = normalize(2.0 * dot(V, H) * H - V);
+
+		float ndotl = max(dot(N, L), 0.0);
+
+		if (ndotl > 0.0) {
+
+#ifdef USE_SOURCE_PANORAMA
+			float D = DistributionGGX(N, H, roughness);
+			float ndoth = max(dot(N, H), 0.0);
+			float hdotv = max(dot(H, V), 0.0);
+			float pdf = D * ndoth / (4.0 * hdotv) + 0.0001;
+
+			float saTexel = 4.0 * M_PI / (6.0 * source_resolution * source_resolution);
+			float saSample = 1.0 / (float(SAMPLE_COUNT) * pdf + 0.0001);
+
+			float mipLevel = roughness == 0.0 ? 0.0 : 0.5 * log2(saSample / saTexel);
+
+			sum.rgb += texturePanorama(L, source_panorama, mipLevel).rgb * ndotl;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID_ARRAY
+			sum.rgb += textureDualParaboloidArray(L).rgb * ndotl;
+#endif
+
+#ifdef USE_SOURCE_DUAL_PARABOLOID
+			sum.rgb += textureDualParaboloid(L).rgb * ndotl;
+#endif
+
+#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
+			L.y = -L.y;
+			sum.rgb += textureLod(source_cube, L, 0.0).rgb * ndotl;
+#endif
+			sum.a += ndotl;
+		}
+	}
+	sum /= sum.a;
+
+	frag_color = vec4(sum.rgb, 1.0);
+
+#endif // COMPUTE_IRRADIANCE
+#endif // USE_DIRECT_WRITE
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_SOURCE_PANORAMA
+#define USE_DUAL_PARABOLOID
+#define COMPUTE_IRRADIANCE
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+/* clang-format on */
+
+layout(location = 4) in highp vec2 uv;
+
+out highp vec2 uv_interp;
+
+void main() {
+	uv_interp = uv;
+	gl_Position = vec4(vertex, 0, 1);
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/4-15.shader_test b/shaders/godot3.4/4-15.shader_test
new file mode 100644
index 0000000..740a732
--- /dev/null
+++ b/shaders/godot3.4/4-15.shader_test
@@ -0,0 +1,1588 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec4 m_outline_color;
+uniform highp float m_outline_width;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_col = texture2D(color_texture, uv);
+	vec2 m_ps = color_texpixel_size;
+	float m_a;
+	float m_maxa = m_col.a;
+	float m_mina = m_col.a;
+	m_a = texture2D(color_texture, (uv + (vec2(0.0, -m_outline_width) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(0.0, m_outline_width) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(-m_outline_width, 0.0) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(m_outline_width, 0.0) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	color = mix(m_col, m_outline_color, (m_maxa - m_mina));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec4 m_outline_color;
+uniform highp float m_outline_width;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/4-54.shader_test b/shaders/godot3.4/4-54.shader_test
new file mode 100644
index 0000000..b755e76
--- /dev/null
+++ b/shaders/godot3.4/4-54.shader_test
@@ -0,0 +1,1681 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform bool m_split_active;
+uniform highp vec2 m_viewport_size;
+uniform highp sampler2D m_viewport1;
+uniform highp vec2 m_player2_position;
+uniform highp vec2 m_player1_position;
+uniform highp vec4 m_split_line_color;
+uniform highp sampler2D m_viewport2;
+uniform highp float m_split_line_thickness;
+
+float m_distanceToLine(in vec2 m_p1, in vec2 m_p2, in vec2 m_point)
+{
+	float m_a = (m_p1.y - m_p2.y);
+	float m_b = (m_p2.x - m_p1.x);
+	return (abs(((((m_a * m_point.x) + (m_b * m_point.y)) + (m_p1.x * m_p2.y)) - (m_p2.x * m_p1.y))) / sqrt(((m_a * m_a) + (m_b * m_b))));
+}
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec3 m_view1 = texture2D(m_viewport1, uv).rgb;
+	vec3 m_view2 = texture2D(m_viewport2, uv).rgb;
+	float m_width = m_viewport_size.x;
+	float m_height = m_viewport_size.y;
+	if (m_split_active)
+	{
+			{
+		vec2 m_dx = (m_player2_position - m_player1_position);
+		float m_split_slope;
+		if ((m_dx.y != 0.0))
+		{
+					{
+			m_split_slope = (m_dx.x / m_dx.y);
+		}
+;
+		}
+		else
+		{
+					{
+			m_split_slope = 100000.0;
+		}
+;
+		}
+		vec2 m_split_origin = vec2(0.5,0.5);
+		vec2 m_split_line_start = vec2(0.0, (m_height * (((m_split_origin.x - 0.0) * m_split_slope) + m_split_origin.y)));
+		vec2 m_split_line_end = vec2(m_width, (m_height * (((m_split_origin.x - 1.0) * m_split_slope) + m_split_origin.y)));
+		float m_distance_to_split_line = m_distanceToLine(m_split_line_start, m_split_line_end, vec2((uv.x * m_width), (uv.y * m_height)));
+		if ((m_distance_to_split_line < m_split_line_thickness))
+		{
+					{
+			color = m_split_line_color;
+		}
+;
+		}
+		else
+		{
+					{
+			float m_split_current_y = (((m_split_origin.x - uv.x) * m_split_slope) + m_split_origin.y);
+			float m_split_player1_position_y = (((m_split_origin.x - m_player1_position.x) * m_split_slope) + m_split_origin.y);
+			if ((uv.y > m_split_current_y))
+			{
+							{
+				if ((m_player1_position.y > m_split_player1_position_y))
+				{
+									{
+					color = vec4(m_view1, 1.0);
+				}
+;
+				}
+				else
+				{
+									{
+					color = vec4(m_view2, 1.0);
+				}
+;
+				}
+			}
+;
+			}
+			else
+			{
+							{
+				if ((m_player1_position.y < m_split_player1_position_y))
+				{
+									{
+					color = vec4(m_view1, 1.0);
+				}
+;
+				}
+				else
+				{
+									{
+					color = vec4(m_view2, 1.0);
+				}
+;
+				}
+			}
+;
+			}
+		}
+;
+		}
+	}
+;
+	}
+	else
+	{
+			{
+		color = vec4(m_view1, 1.0);
+	}
+;
+	}
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform bool m_split_active;
+uniform highp vec2 m_viewport_size;
+uniform highp sampler2D m_viewport1;
+uniform highp vec2 m_player2_position;
+uniform highp vec2 m_player1_position;
+uniform highp vec4 m_split_line_color;
+uniform highp sampler2D m_viewport2;
+uniform highp float m_split_line_thickness;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/4-87.shader_test b/shaders/godot3.4/4-87.shader_test
new file mode 100644
index 0000000..e11920c
--- /dev/null
+++ b/shaders/godot3.4/4-87.shader_test
@@ -0,0 +1,3251 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/4-90.shader_test b/shaders/godot3.4/4-90.shader_test
new file mode 100644
index 0000000..3d1e584
--- /dev/null
+++ b/shaders/godot3.4/4-90.shader_test
@@ -0,0 +1,1590 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_min_value;
+uniform highp float m_max_value;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_color = texture2D(color_texture, uv);
+	float m_gray = m_color.x;
+	if ((m_gray < m_min_value))
+	{
+			{
+		m_color = vec4(0.0,0.0,0.0,1.0);
+	}
+;
+	}
+	else
+	{
+		if ((m_gray > m_max_value))
+		{
+					{
+			m_color = vec4(1.0,1.0,1.0,1.0);
+		}
+;
+		}
+	}
+	color = m_color;
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_min_value;
+uniform highp float m_max_value;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/40-12.shader_test b/shaders/godot3.4/40-12.shader_test
new file mode 100644
index 0000000..9f28ea9
--- /dev/null
+++ b/shaders/godot3.4/40-12.shader_test
@@ -0,0 +1,3275 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_13
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp vec4 m_emission;
+uniform highp float m_emission_energy;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+uniform highp sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	vec3 m_emission_tex = texture2D(m_texture_emission, m_base_uv).rgb;
+	emission = ((m_emission.rgb + m_emission_tex) * m_emission_energy);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define USE_SHADOW
+#define SHADOW_MODE_PCF_13
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp vec4 m_emission;
+uniform highp float m_emission_energy;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+uniform highp sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/40-22.shader_test b/shaders/godot3.4/40-22.shader_test
new file mode 100644
index 0000000..3501696
--- /dev/null
+++ b/shaders/godot3.4/40-22.shader_test
@@ -0,0 +1,1679 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform bool m_split_active;
+uniform highp vec2 m_viewport_size;
+uniform highp sampler2D m_viewport1;
+uniform highp vec2 m_player2_position;
+uniform highp vec2 m_player1_position;
+uniform highp vec4 m_split_line_color;
+uniform highp sampler2D m_viewport2;
+uniform highp float m_split_line_thickness;
+
+float m_distanceToLine(in vec2 m_p1, in vec2 m_p2, in vec2 m_point)
+{
+	float m_a = (m_p1.y - m_p2.y);
+	float m_b = (m_p2.x - m_p1.x);
+	return (abs(((((m_a * m_point.x) + (m_b * m_point.y)) + (m_p1.x * m_p2.y)) - (m_p2.x * m_p1.y))) / sqrt(((m_a * m_a) + (m_b * m_b))));
+}
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec3 m_view1 = texture2D(m_viewport1, uv).rgb;
+	vec3 m_view2 = texture2D(m_viewport2, uv).rgb;
+	float m_width = m_viewport_size.x;
+	float m_height = m_viewport_size.y;
+	if (m_split_active)
+	{
+			{
+		vec2 m_dx = (m_player2_position - m_player1_position);
+		float m_split_slope;
+		if ((m_dx.y != 0.0))
+		{
+					{
+			m_split_slope = (m_dx.x / m_dx.y);
+		}
+;
+		}
+		else
+		{
+					{
+			m_split_slope = 100000.0;
+		}
+;
+		}
+		vec2 m_split_origin = vec2(0.5,0.5);
+		vec2 m_split_line_start = vec2(0.0, (m_height * (((m_split_origin.x - 0.0) * m_split_slope) + m_split_origin.y)));
+		vec2 m_split_line_end = vec2(m_width, (m_height * (((m_split_origin.x - 1.0) * m_split_slope) + m_split_origin.y)));
+		float m_distance_to_split_line = m_distanceToLine(m_split_line_start, m_split_line_end, vec2((uv.x * m_width), (uv.y * m_height)));
+		if ((m_distance_to_split_line < m_split_line_thickness))
+		{
+					{
+			color = m_split_line_color;
+		}
+;
+		}
+		else
+		{
+					{
+			float m_split_current_y = (((m_split_origin.x - uv.x) * m_split_slope) + m_split_origin.y);
+			float m_split_player1_position_y = (((m_split_origin.x - m_player1_position.x) * m_split_slope) + m_split_origin.y);
+			if ((uv.y > m_split_current_y))
+			{
+							{
+				if ((m_player1_position.y > m_split_player1_position_y))
+				{
+									{
+					color = vec4(m_view1, 1.0);
+				}
+;
+				}
+				else
+				{
+									{
+					color = vec4(m_view2, 1.0);
+				}
+;
+				}
+			}
+;
+			}
+			else
+			{
+							{
+				if ((m_player1_position.y < m_split_player1_position_y))
+				{
+									{
+					color = vec4(m_view1, 1.0);
+				}
+;
+				}
+				else
+				{
+									{
+					color = vec4(m_view2, 1.0);
+				}
+;
+				}
+			}
+;
+			}
+		}
+;
+		}
+	}
+;
+	}
+	else
+	{
+			{
+		color = vec4(m_view1, 1.0);
+	}
+;
+	}
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform bool m_split_active;
+uniform highp vec2 m_viewport_size;
+uniform highp sampler2D m_viewport1;
+uniform highp vec2 m_player2_position;
+uniform highp vec2 m_player1_position;
+uniform highp vec4 m_split_line_color;
+uniform highp sampler2D m_viewport2;
+uniform highp float m_split_line_thickness;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/40-34.shader_test b/shaders/godot3.4/40-34.shader_test
new file mode 100644
index 0000000..dc4c5ef
--- /dev/null
+++ b/shaders/godot3.4/40-34.shader_test
@@ -0,0 +1,2420 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/40-44.shader_test b/shaders/godot3.4/40-44.shader_test
new file mode 100644
index 0000000..e7845f9
--- /dev/null
+++ b/shaders/godot3.4/40-44.shader_test
@@ -0,0 +1,897 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+float m_brightness;
+float m_contrast;
+float m_saturation;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+	{
+		vec3 m_c=textureLod(screen_texture, screen_uv, 0.0).rgb;
+		m_c.rgb=mix(vec3(0.0,0.0,0.0), m_c.rgb, m_brightness);
+		m_c.rgb=mix(vec3(0.5,0.5,0.5), m_c.rgb, m_contrast);
+		m_c.rgb=mix(vec3((dot(vec3(1.0,1.0,1.0), m_c.rgb)*0.33333)), m_c.rgb, m_saturation);
+		color.rgb=m_c;
+	}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+float m_brightness;
+float m_contrast;
+float m_saturation;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/40-51.shader_test b/shaders/godot3.4/40-51.shader_test
new file mode 100644
index 0000000..167b0b1
--- /dev/null
+++ b/shaders/godot3.4/40-51.shader_test
@@ -0,0 +1,3264 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define FOG_DEPTH_ENABLED
+#define USE_RADIANCE_MAP
+#define USE_DEPTH_PREPASS
+#define BASE_PASS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define FOG_DEPTH_ENABLED
+#define USE_RADIANCE_MAP
+#define USE_DEPTH_PREPASS
+#define BASE_PASS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/40-9.shader_test b/shaders/godot3.4/40-9.shader_test
new file mode 100644
index 0000000..43ea05b
--- /dev/null
+++ b/shaders/godot3.4/40-9.shader_test
@@ -0,0 +1,499 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FILMIC_TONEMAPPER
+#define USE_GLOW_LEVEL1
+#define USE_GLOW_LEVEL2
+#define USE_GLOW_LEVEL3
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+
+uniform highp sampler2D source; //texunit:0
+
+uniform float exposure;
+uniform float white;
+
+#ifdef USE_AUTO_EXPOSURE
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+#endif
+
+#if defined(USE_GLOW_LEVEL1) || defined(USE_GLOW_LEVEL2) || defined(USE_GLOW_LEVEL3) || defined(USE_GLOW_LEVEL4) || defined(USE_GLOW_LEVEL5) || defined(USE_GLOW_LEVEL6) || defined(USE_GLOW_LEVEL7)
+#define USING_GLOW // only use glow when at least one glow level is selected
+
+uniform highp sampler2D source_glow; //texunit:2
+uniform highp float glow_intensity;
+#endif
+
+#ifdef USE_BCS
+uniform vec3 bcs;
+#endif
+
+#ifdef USE_FXAA
+uniform vec2 pixel_size;
+#endif
+
+#ifdef USE_SHARPENING
+uniform float sharpen_intensity;
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+uniform sampler2D color_correction; //texunit:3
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef USE_GLOW_FILTER_BICUBIC
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0f / 6.0f) * (a * (a * (-a + 3.0f) - 3.0f) + 1.0f);
+}
+
+float w1(float a) {
+	return (1.0f / 6.0f) * (a * a * (3.0f * a - 6.0f) + 4.0f);
+}
+
+float w2(float a) {
+	return (1.0f / 6.0f) * (a * (a * (-3.0f * a + 3.0f) + 3.0f) + 1.0f);
+}
+
+float w3(float a) {
+	return (1.0f / 6.0f) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0f + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0f + w3(a) / (w2(a) + w3(a));
+}
+
+uniform ivec2 glow_texture_size;
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv, int p_lod) {
+	float lod = float(p_lod);
+	vec2 tex_size = vec2(glow_texture_size >> p_lod);
+	vec2 texel_size = vec2(1.0f) / tex_size;
+
+	uv = uv * tex_size + vec2(0.5f);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5f)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5f)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5f)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5f)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * textureLod(tex, p0, lod) + g1x * textureLod(tex, p1, lod))) +
+			(g1(fuv.y) * (g0x * textureLod(tex, p2, lod) + g1x * textureLod(tex, p3, lod)));
+}
+
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2D_bicubic(m_tex, m_uv, m_lod)
+#else
+#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) textureLod(m_tex, m_uv, float(m_lod))
+#endif
+
+vec3 tonemap_filmic(vec3 color, float white) {
+	// exposure bias: input scale (color *= bias, white *= bias) to make the brightness consistent with other tonemappers
+	// also useful to scale the input to the range that the tonemapper is designed for (some require very high input values)
+	// has no effect on the curve's general shape or visual properties
+	const float exposure_bias = 2.0f;
+	const float A = 0.22f * exposure_bias * exposure_bias; // bias baked into constants for performance
+	const float B = 0.30f * exposure_bias;
+	const float C = 0.10f;
+	const float D = 0.20f;
+	const float E = 0.01f;
+	const float F = 0.30f;
+
+	vec3 color_tonemapped = ((color * (A * color + C * B) + D * E) / (color * (A * color + B) + D * F)) - E / F;
+	float white_tonemapped = ((white * (A * white + C * B) + D * E) / (white * (A * white + B) + D * F)) - E / F;
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+vec3 tonemap_aces(vec3 color, float white) {
+	const float exposure_bias = 0.85f;
+	const float A = 2.51f * exposure_bias * exposure_bias;
+	const float B = 0.03f * exposure_bias;
+	const float C = 2.43f * exposure_bias * exposure_bias;
+	const float D = 0.59f * exposure_bias;
+	const float E = 0.14f;
+
+	vec3 color_tonemapped = (color * (A * color + B)) / (color * (C * color + D) + E);
+	float white_tonemapped = (white * (A * white + B)) / (white * (C * white + D) + E);
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+// Adapted from https://github.com/TheRealMJP/BakingLab/blob/master/BakingLab/ACES.hlsl
+// (MIT License).
+vec3 tonemap_aces_fitted(vec3 color, float white) {
+	const float exposure_bias = 1.8f;
+	const float A = 0.0245786f;
+	const float B = 0.000090537f;
+	const float C = 0.983729f;
+	const float D = 0.432951f;
+	const float E = 0.238081f;
+
+	// Exposure bias baked into transform to save shader instructions. Equivalent to `color *= exposure_bias`
+	const mat3 rgb_to_rrt = mat3(
+			vec3(0.59719f * exposure_bias, 0.35458f * exposure_bias, 0.04823f * exposure_bias),
+			vec3(0.07600f * exposure_bias, 0.90834f * exposure_bias, 0.01566f * exposure_bias),
+			vec3(0.02840f * exposure_bias, 0.13383f * exposure_bias, 0.83777f * exposure_bias));
+
+	const mat3 odt_to_rgb = mat3(
+			vec3(1.60475f, -0.53108f, -0.07367f),
+			vec3(-0.10208f, 1.10813f, -0.00605f),
+			vec3(-0.00327f, -0.07276f, 1.07602f));
+
+	color *= rgb_to_rrt;
+	vec3 color_tonemapped = (color * (color + A) - B) / (color * (C * color + D) + E);
+	color_tonemapped *= odt_to_rgb;
+
+	white *= exposure_bias;
+	float white_tonemapped = (white * (white + A) - B) / (white * (C * white + D) + E);
+
+	return clamp(color_tonemapped / white_tonemapped, vec3(0.0f), vec3(1.0f));
+}
+
+vec3 tonemap_reinhard(vec3 color, float white) {
+	return clamp((white * color + color) / (color * white + white), vec3(0.0f), vec3(1.0f));
+}
+
+vec3 linear_to_srgb(vec3 color) { // convert linear rgb to srgb, assumes clamped input in range [0;1]
+	const vec3 a = vec3(0.055f);
+	return mix((vec3(1.0f) + a) * pow(color.rgb, vec3(1.0f / 2.4f)) - a, 12.92f * color.rgb, lessThan(color.rgb, vec3(0.0031308f)));
+}
+
+// inputs are LINEAR, If Linear tonemapping is selected no transform is performed else outputs are clamped [0, 1] color
+vec3 apply_tonemapping(vec3 color, float white) {
+	// Ensure color values are positive.
+	// They can be negative in the case of negative lights, which leads to undesired behavior.
+#if defined(USE_REINHARD_TONEMAPPER) || defined(USE_FILMIC_TONEMAPPER) || defined(USE_ACES_TONEMAPPER) || defined(USE_ACES_FITTED_TONEMAPPER)
+	color = max(vec3(0.0f), color);
+#endif
+
+#ifdef USE_REINHARD_TONEMAPPER
+	return tonemap_reinhard(color, white);
+#endif
+
+#ifdef USE_FILMIC_TONEMAPPER
+	return tonemap_filmic(color, white);
+#endif
+
+#ifdef USE_ACES_TONEMAPPER
+	return tonemap_aces(color, white);
+#endif
+
+#ifdef USE_ACES_FITTED_TONEMAPPER
+	return tonemap_aces_fitted(color, white);
+#endif
+
+	return color; // no other selected -> linear: no color transform applied
+}
+
+vec3 gather_glow(sampler2D tex, vec2 uv) { // sample all selected glow levels
+	vec3 glow = vec3(0.0f);
+
+#ifdef USE_GLOW_LEVEL1
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 1).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL2
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 2).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL3
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 3).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL4
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 4).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL5
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 5).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL6
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 6).rgb;
+#endif
+
+#ifdef USE_GLOW_LEVEL7
+	glow += GLOW_TEXTURE_SAMPLE(tex, uv, 7).rgb;
+#endif
+
+	return glow;
+}
+
+vec3 apply_glow(vec3 color, vec3 glow) { // apply glow using the selected blending mode
+#ifdef USE_GLOW_REPLACE
+	color = glow;
+#endif
+
+#ifdef USE_GLOW_SCREEN
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0f));
+	color = max((color + glow) - (color * glow), vec3(0.0));
+#endif
+
+#ifdef USE_GLOW_SOFTLIGHT
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0));
+	glow = glow * vec3(0.5f) + vec3(0.5f);
+
+	color.r = (glow.r <= 0.5f) ? (color.r - (1.0f - 2.0f * glow.r) * color.r * (1.0f - color.r)) : (((glow.r > 0.5f) && (color.r <= 0.25f)) ? (color.r + (2.0f * glow.r - 1.0f) * (4.0f * color.r * (4.0f * color.r + 1.0f) * (color.r - 1.0f) + 7.0f * color.r)) : (color.r + (2.0f * glow.r - 1.0f) * (sqrt(color.r) - color.r)));
+	color.g = (glow.g <= 0.5f) ? (color.g - (1.0f - 2.0f * glow.g) * color.g * (1.0f - color.g)) : (((glow.g > 0.5f) && (color.g <= 0.25f)) ? (color.g + (2.0f * glow.g - 1.0f) * (4.0f * color.g * (4.0f * color.g + 1.0f) * (color.g - 1.0f) + 7.0f * color.g)) : (color.g + (2.0f * glow.g - 1.0f) * (sqrt(color.g) - color.g)));
+	color.b = (glow.b <= 0.5f) ? (color.b - (1.0f - 2.0f * glow.b) * color.b * (1.0f - color.b)) : (((glow.b > 0.5f) && (color.b <= 0.25f)) ? (color.b + (2.0f * glow.b - 1.0f) * (4.0f * color.b * (4.0f * color.b + 1.0f) * (color.b - 1.0f) + 7.0f * color.b)) : (color.b + (2.0f * glow.b - 1.0f) * (sqrt(color.b) - color.b)));
+#endif
+
+#if !defined(USE_GLOW_SCREEN) && !defined(USE_GLOW_SOFTLIGHT) && !defined(USE_GLOW_REPLACE) // no other selected -> additive
+	color += glow;
+#endif
+
+	return color;
+}
+
+vec3 apply_bcs(vec3 color, vec3 bcs) {
+	color = mix(vec3(0.0f), color, bcs.x);
+	color = mix(vec3(0.5f), color, bcs.y);
+	color = mix(vec3(dot(vec3(1.0f), color) * 0.33333f), color, bcs.z);
+
+	return color;
+}
+
+vec3 apply_color_correction(vec3 color, sampler2D correction_tex) {
+	color.r = texture(correction_tex, vec2(color.r, 0.0f)).r;
+	color.g = texture(correction_tex, vec2(color.g, 0.0f)).g;
+	color.b = texture(correction_tex, vec2(color.b, 0.0f)).b;
+
+	return color;
+}
+
+vec3 apply_fxaa(vec3 color, float exposure, vec2 uv_interp, vec2 pixel_size) {
+	const float FXAA_REDUCE_MIN = (1.0 / 128.0);
+	const float FXAA_REDUCE_MUL = (1.0 / 8.0);
+	const float FXAA_SPAN_MAX = 8.0;
+
+	vec3 rgbNW = textureLod(source, uv_interp + vec2(-1.0, -1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbNE = textureLod(source, uv_interp + vec2(1.0, -1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbSW = textureLod(source, uv_interp + vec2(-1.0, 1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbSE = textureLod(source, uv_interp + vec2(1.0, 1.0) * pixel_size, 0.0).xyz * exposure;
+	vec3 rgbM = color;
+	vec3 luma = vec3(0.299, 0.587, 0.114);
+	float lumaNW = dot(rgbNW, luma);
+	float lumaNE = dot(rgbNE, luma);
+	float lumaSW = dot(rgbSW, luma);
+	float lumaSE = dot(rgbSE, luma);
+	float lumaM = dot(rgbM, luma);
+	float lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));
+	float lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));
+
+	vec2 dir;
+	dir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));
+	dir.y = ((lumaNW + lumaSW) - (lumaNE + lumaSE));
+
+	float dirReduce = max((lumaNW + lumaNE + lumaSW + lumaSE) *
+					(0.25 * FXAA_REDUCE_MUL),
+			FXAA_REDUCE_MIN);
+
+	float rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);
+	dir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX),
+				  max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX),
+						  dir * rcpDirMin)) *
+			pixel_size;
+
+	vec3 rgbA = 0.5 * exposure * (textureLod(source, uv_interp + dir * (1.0 / 3.0 - 0.5), 0.0).xyz + textureLod(source, uv_interp + dir * (2.0 / 3.0 - 0.5), 0.0).xyz);
+	vec3 rgbB = rgbA * 0.5 + 0.25 * exposure * (textureLod(source, uv_interp + dir * -0.5, 0.0).xyz + textureLod(source, uv_interp + dir * 0.5, 0.0).xyz);
+
+	float lumaB = dot(rgbB, luma);
+	if ((lumaB < lumaMin) || (lumaB > lumaMax)) {
+		return rgbA;
+	} else {
+		return rgbB;
+	}
+}
+
+// From http://alex.vlachos.com/graphics/Alex_Vlachos_Advanced_VR_Rendering_GDC2015.pdf
+// and https://www.shadertoy.com/view/MslGR8 (5th one starting from the bottom)
+// NOTE: `frag_coord` is in pixels (i.e. not normalized UV).
+vec3 screen_space_dither(vec2 frag_coord) {
+	// Iestyn's RGB dither (7 asm instructions) from Portal 2 X360, slightly modified for VR.
+	vec3 dither = vec3(dot(vec2(171.0, 231.0), frag_coord));
+	dither.rgb = fract(dither.rgb / vec3(103.0, 71.0, 97.0));
+
+	// Subtract 0.5 to avoid slightly brightening the whole viewport.
+	return (dither.rgb - 0.5) / 255.0;
+}
+
+// Adapted from https://github.com/DadSchoorse/vkBasalt/blob/b929505ba71dea21d6c32a5a59f2d241592b30c4/src/shader/cas.frag.glsl
+// (MIT license).
+vec3 apply_cas(vec3 color, float exposure, vec2 uv_interp, float sharpen_intensity) {
+	// Fetch a 3x3 neighborhood around the pixel 'e',
+	//  a b c
+	//  d(e)f
+	//  g h i
+	vec3 a = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, -1)).rgb * exposure;
+	vec3 b = textureLodOffset(source, uv_interp, 0.0, ivec2(0, -1)).rgb * exposure;
+	vec3 c = textureLodOffset(source, uv_interp, 0.0, ivec2(1, -1)).rgb * exposure;
+	vec3 d = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, 0)).rgb * exposure;
+	vec3 e = color.rgb;
+	vec3 f = textureLodOffset(source, uv_interp, 0.0, ivec2(1, 0)).rgb * exposure;
+	vec3 g = textureLodOffset(source, uv_interp, 0.0, ivec2(-1, 1)).rgb * exposure;
+	vec3 h = textureLodOffset(source, uv_interp, 0.0, ivec2(0, 1)).rgb * exposure;
+	vec3 i = textureLodOffset(source, uv_interp, 0.0, ivec2(1, 1)).rgb * exposure;
+
+	// Soft min and max.
+	//  a b c             b
+	//  d e f * 0.5  +  d e f * 0.5
+	//  g h i             h
+	// These are 2.0x bigger (factored out the extra multiply).
+	vec3 min_rgb = min(min(min(d, e), min(f, b)), h);
+	vec3 min_rgb2 = min(min(min(min_rgb, a), min(g, c)), i);
+	min_rgb += min_rgb2;
+
+	vec3 max_rgb = max(max(max(d, e), max(f, b)), h);
+	vec3 max_rgb2 = max(max(max(max_rgb, a), max(g, c)), i);
+	max_rgb += max_rgb2;
+
+	// Smooth minimum distance to signal limit divided by smooth max.
+	vec3 rcp_max_rgb = vec3(1.0) / max_rgb;
+	vec3 amp_rgb = clamp((min(min_rgb, 2.0 - max_rgb) * rcp_max_rgb), 0.0, 1.0);
+
+	// Shaping amount of sharpening.
+	amp_rgb = inversesqrt(amp_rgb);
+	float peak = 8.0 - 3.0 * sharpen_intensity;
+	vec3 w_rgb = -vec3(1) / (amp_rgb * peak);
+	vec3 rcp_weight_rgb = vec3(1.0) / (1.0 + 4.0 * w_rgb);
+
+	//                          0 w 0
+	//  Filter shape:           w 1 w
+	//                          0 w 0
+	vec3 window = b + d + f + h;
+
+	return max(vec3(0.0), (window * w_rgb + e) * rcp_weight_rgb);
+}
+
+void main() {
+	vec3 color = textureLod(source, uv_interp, 0.0f).rgb;
+
+	// Exposure
+	float full_exposure = exposure;
+
+#ifdef USE_AUTO_EXPOSURE
+	full_exposure /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+
+	color *= full_exposure;
+
+#ifdef USE_FXAA
+	// FXAA must be applied before tonemapping.
+	color = apply_fxaa(color, full_exposure, uv_interp, pixel_size);
+#endif
+
+#ifdef USE_SHARPENING
+	// CAS gives best results when applied after tonemapping, but `source` isn't tonemapped.
+	// As a workaround, apply CAS before tonemapping so that the image still has a correct appearance when tonemapped.
+	color = apply_cas(color, full_exposure, uv_interp, sharpen_intensity);
+#endif
+
+#ifdef USE_DEBANDING
+	// For best results, debanding should be done before tonemapping.
+	// Otherwise, we're adding noise to an already-quantized image.
+	color += screen_space_dither(gl_FragCoord.xy);
+#endif
+
+	// Early Tonemap & SRGB Conversion; note that Linear tonemapping does not clamp to [0, 1]; some operations below expect a [0, 1] range and will clamp
+	color = apply_tonemapping(color, white);
+
+#ifdef KEEP_3D_LINEAR
+	// leave color as is (-> don't convert to SRGB)
+#else
+	//need color clamping
+	color = clamp(color, vec3(0.0f), vec3(1.0f));
+	color = linear_to_srgb(color); // regular linear -> SRGB conversion (needs clamped values)
+#endif
+
+	// Glow
+
+#ifdef USING_GLOW
+	vec3 glow = gather_glow(source_glow, uv_interp) * glow_intensity;
+
+	// high dynamic range -> SRGB
+	glow = apply_tonemapping(glow, white);
+	glow = clamp(glow, vec3(0.0f), vec3(1.0f));
+	glow = linear_to_srgb(glow);
+
+	color = apply_glow(color, glow);
+#endif
+
+	// Additional effects
+
+#ifdef USE_BCS
+	color = apply_bcs(color, bcs);
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+	color = apply_color_correction(color, color_correction);
+#endif
+
+	frag_color = vec4(color, 1.0f);
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_FILMIC_TONEMAPPER
+#define USE_GLOW_LEVEL1
+#define USE_GLOW_LEVEL2
+#define USE_GLOW_LEVEL3
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+void main() {
+	gl_Position = vertex_attrib;
+
+	uv_interp = uv_in;
+
+#ifdef V_FLIP
+	uv_interp.y = 1.0f - uv_interp.y;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/43-10.shader_test b/shaders/godot3.4/43-10.shader_test
new file mode 100644
index 0000000..07615ec
--- /dev/null
+++ b/shaders/godot3.4/43-10.shader_test
@@ -0,0 +1,3265 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, gl_PointCoord);
+	m_albedo_tex *= color_interp;
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+	point_size = m_point_size;
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/43-23.shader_test b/shaders/godot3.4/43-23.shader_test
new file mode 100644
index 0000000..b454c40
--- /dev/null
+++ b/shaders/godot3.4/43-23.shader_test
@@ -0,0 +1,2389 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHTMAP
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_LAYERED
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHTMAP
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_LAYERED
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/43-30.shader_test b/shaders/godot3.4/43-30.shader_test
new file mode 100644
index 0000000..32dabae
--- /dev/null
+++ b/shaders/godot3.4/43-30.shader_test
@@ -0,0 +1,2445 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_roughness_texture_channel;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_roughness;
+uniform sampler2D m_texture_ambient_occlusion;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		float m_roughness_tex=dot(texture(m_texture_roughness, m_base_uv), m_roughness_texture_channel);
+		roughness=(m_roughness_tex*m_roughness);
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+		ao=dot(texture(m_texture_ambient_occlusion, m_base_uv), m_ao_texture_channel);
+		ao_light_affect=m_ao_light_affect;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_roughness_texture_channel;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_roughness;
+uniform sampler2D m_texture_ambient_occlusion;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/43-37.shader_test b/shaders/godot3.4/43-37.shader_test
new file mode 100644
index 0000000..df02419
--- /dev/null
+++ b/shaders/godot3.4/43-37.shader_test
@@ -0,0 +1,2424 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_INSTANCING
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		float m_metallic_tex=dot(texture(m_texture_metallic, m_base_uv), m_metallic_texture_channel);
+		metallic=(m_metallic_tex*m_metallic);
+		float m_roughness_tex=dot(texture(m_texture_roughness, m_base_uv), m_roughness_texture_channel);
+		roughness=(m_roughness_tex*m_roughness);
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_INSTANCING
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/43-40.shader_test b/shaders/godot3.4/43-40.shader_test
new file mode 100644
index 0000000..6a9183e
--- /dev/null
+++ b/shaders/godot3.4/43-40.shader_test
@@ -0,0 +1,895 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_UV_USED
+#define SCREEN_TEXTURE_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+float m_frequency;
+float m_depth;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+	{
+		vec2 m_uv=screen_uv;
+		m_uv.x+=(sin(((m_uv.y*m_frequency)+time))*m_depth);
+		m_uv.x=clamp(m_uv.x, 0.0, 1.0);
+		vec3 m_c=textureLod(screen_texture, m_uv, 0.0).rgb;
+		color.rgb=m_c;
+	}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_UV_USED
+#define SCREEN_TEXTURE_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+float m_frequency;
+float m_depth;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/43-47.shader_test b/shaders/godot3.4/43-47.shader_test
new file mode 100644
index 0000000..72fb148
--- /dev/null
+++ b/shaders/godot3.4/43-47.shader_test
@@ -0,0 +1,3268 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define FOG_DEPTH_ENABLED
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define FOG_DEPTH_ENABLED
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/46-10.shader_test b/shaders/godot3.4/46-10.shader_test
new file mode 100644
index 0000000..f9400ad
--- /dev/null
+++ b/shaders/godot3.4/46-10.shader_test
@@ -0,0 +1,3286 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	m_albedo_tex *= color_interp;
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+	modelview = (camera_inverse_matrix * mat4(camera_matrix[0], camera_matrix[1], camera_matrix[2], world_transform[3]));
+	if ((projection_matrix[3][3] != 0.0))
+	{
+			{
+		float m_h = abs((1.0 / (2.0 * projection_matrix[1][1])));
+		float m_sc = (m_h * 2.0);
+		modelview[0] *= m_sc;
+		modelview[1] *= m_sc;
+		modelview[2] *= m_sc;
+	}
+;
+	}
+	else
+	{
+			{
+		float m_sc = -modelview[3].z;
+		modelview[0] *= m_sc;
+		modelview[1] *= m_sc;
+		modelview[2] *= m_sc;
+	}
+;
+	}
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/46-11.shader_test b/shaders/godot3.4/46-11.shader_test
new file mode 100644
index 0000000..c6ca126
--- /dev/null
+++ b/shaders/godot3.4/46-11.shader_test
@@ -0,0 +1,3256 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, gl_PointCoord);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	point_size = m_point_size;
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/46-30.shader_test b/shaders/godot3.4/46-30.shader_test
new file mode 100644
index 0000000..0b2148a
--- /dev/null
+++ b/shaders/godot3.4/46-30.shader_test
@@ -0,0 +1,2418 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/46-36.shader_test b/shaders/godot3.4/46-36.shader_test
new file mode 100644
index 0000000..fec4e12
--- /dev/null
+++ b/shaders/godot3.4/46-36.shader_test
@@ -0,0 +1,2430 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		float m_metallic_tex=dot(texture(m_texture_metallic, m_base_uv), m_metallic_texture_channel);
+		metallic=(m_metallic_tex*m_metallic);
+		float m_roughness_tex=dot(texture(m_texture_roughness, m_base_uv), m_roughness_texture_channel);
+		roughness=(m_roughness_tex*m_roughness);
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/46-37.shader_test b/shaders/godot3.4/46-37.shader_test
new file mode 100644
index 0000000..d13cdd5
--- /dev/null
+++ b/shaders/godot3.4/46-37.shader_test
@@ -0,0 +1,2422 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		float m_metallic_tex=dot(texture(m_texture_metallic, m_base_uv), m_metallic_texture_channel);
+		metallic=(m_metallic_tex*m_metallic);
+		float m_roughness_tex=dot(texture(m_texture_roughness, m_base_uv), m_roughness_texture_channel);
+		roughness=(m_roughness_tex*m_roughness);
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/46-40.shader_test b/shaders/godot3.4/46-40.shader_test
new file mode 100644
index 0000000..5d7fcc6
--- /dev/null
+++ b/shaders/godot3.4/46-40.shader_test
@@ -0,0 +1,916 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_base;
+float m_grain_strength;
+float m_fps;
+float m_stretch;
+float m_flashing;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_vignette;
+uniform sampler2D m_grain;
+
+float m_make_grain(float m_time, vec2 m_uv)
+	{
+		vec2 m_ofs=vec2(sin(((41.0*m_time)*sin((m_time*123.0)))), sin(((27.0*m_time)*sin((m_time*312.0)))));
+return texture(m_grain, ((m_uv+mod(m_ofs, vec2(1.0,1.0)))*m_stretch)).r;	}
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+	{
+		vec3 m_c=textureLod(screen_texture, screen_uv, 0.0).rgb;
+		float m_v=dot(m_c, vec3(0.33333,0.33333,0.33333));
+		m_v=sqrt(m_v);
+		float m_f=(1.0/m_fps);
+		float m_g=m_make_grain((time-mod(time, m_f)), uv);
+		m_g=max(m_g, (m_make_grain(((time-mod(time, m_f))+m_f), uv)*0.5));
+		m_g=max(m_g, (m_make_grain(((time-mod(time, m_f))+(m_f*2.0)), uv)*0.25));
+		color.rgb=((m_base.rgb*m_v)-(vec3(m_g)*m_grain_strength));
+		color.rgb*=texture(m_vignette, uv).r;
+		float m_ft=(time*0.002);
+		color.rgb+=(vec3(sin(((75.0*m_ft)*sin((m_ft*123.0)))))*m_flashing);
+	}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_MATERIAL
+#define SCREEN_TEXTURE_USED
+#define SCREEN_UV_USED
+#define COLOR_USED
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+vec4 m_base;
+float m_grain_strength;
+float m_fps;
+float m_stretch;
+float m_flashing;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_vignette;
+uniform sampler2D m_grain;
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/46-47.shader_test b/shaders/godot3.4/46-47.shader_test
new file mode 100644
index 0000000..6d1ff2b
--- /dev/null
+++ b/shaders/godot3.4/46-47.shader_test
@@ -0,0 +1,3262 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP
+#define USE_DEPTH_PREPASS
+#define BASE_PASS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP
+#define USE_DEPTH_PREPASS
+#define BASE_PASS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/49-1.shader_test b/shaders/godot3.4/49-1.shader_test
new file mode 100644
index 0000000..c8da1bb
--- /dev/null
+++ b/shaders/godot3.4/49-1.shader_test
@@ -0,0 +1,3265 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	m_albedo_tex *= color_interp;
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+	modelview = (camera_inverse_matrix * mat4(camera_matrix[0], camera_matrix[1], camera_matrix[2], world_transform[3]));
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/49-21.shader_test b/shaders/godot3.4/49-21.shader_test
new file mode 100644
index 0000000..2b7e32a
--- /dev/null
+++ b/shaders/godot3.4/49-21.shader_test
@@ -0,0 +1,2426 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		m_albedo_tex*=color_interp;
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		alpha=(m_albedo.a*m_albedo_tex.a);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		if (!SHADER_IS_SRGB)
+		{
+					{
+			color_interp.rgb=mix(pow(((color_interp.rgb+vec3(0.055,0.055,0.055))*(1.0/(1.0+0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb*(1.0/12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+		}
+;
+		}
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+		modelview=(camera_inverse_matrix*mat4(camera_matrix[0], camera_matrix[1], camera_matrix[2], world_transform[3]));
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/49-22.shader_test b/shaders/godot3.4/49-22.shader_test
new file mode 100644
index 0000000..f2e36b8
--- /dev/null
+++ b/shaders/godot3.4/49-22.shader_test
@@ -0,0 +1,2426 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_LIGHTMAP_CAPTURE
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_LIGHTMAP_CAPTURE
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/49-28.shader_test b/shaders/godot3.4/49-28.shader_test
new file mode 100644
index 0000000..a8d8677
--- /dev/null
+++ b/shaders/godot3.4/49-28.shader_test
@@ -0,0 +1,2422 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/49-29.shader_test b/shaders/godot3.4/49-29.shader_test
new file mode 100644
index 0000000..4683cd6
--- /dev/null
+++ b/shaders/godot3.4/49-29.shader_test
@@ -0,0 +1,2484 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_ambient_occlusion;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+			{
+		vec3 m_view_dir=normalize((normalize(-vertex.xyz)*mat3((tangent*m_depth_flip.x), (-binormal*m_depth_flip.y), normal)));
+		float m_num_layers=mix(float(m_depth_max_layers), float(m_depth_min_layers), abs(dot(vec3(0.0,0.0,1.0), m_view_dir)));
+		float m_layer_depth=(1.0/m_num_layers);
+		float m_current_layer_depth=0.0;
+		vec2 m_P=(m_view_dir.xy*m_depth_scale);
+		vec2 m_delta=(m_P/m_num_layers);
+		vec2 m_ofs=m_base_uv;
+		float m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+		float m_current_depth=0.0;
+		while ((m_current_depth<m_depth))
+		{
+					{
+			m_ofs-=m_delta;
+			m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+			m_current_depth+=m_layer_depth;
+		}
+;
+		}
+		vec2 m_prev_ofs=(m_ofs+m_delta);
+		float m_after_depth=(m_depth-m_current_depth);
+		float m_before_depth=((textureLod(m_texture_depth, m_prev_ofs, 0.0).r-m_current_depth)+m_layer_depth);
+		float m_weight=(m_after_depth/(m_after_depth-m_before_depth));
+		m_ofs=mix(m_ofs, m_prev_ofs, m_weight);
+		m_base_uv=m_ofs;
+	}
+;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		float m_metallic_tex=dot(texture(m_texture_metallic, m_base_uv), m_metallic_texture_channel);
+		metallic=(m_metallic_tex*m_metallic);
+		roughness=m_roughness;
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+		ao=dot(texture(m_texture_ambient_occlusion, m_base_uv), m_ao_texture_channel);
+		ao_light_affect=m_ao_light_affect;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_ambient_occlusion;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/49-35.shader_test b/shaders/godot3.4/49-35.shader_test
new file mode 100644
index 0000000..43bf6fe
--- /dev/null
+++ b/shaders/godot3.4/49-35.shader_test
@@ -0,0 +1,2414 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/49-43.shader_test b/shaders/godot3.4/49-43.shader_test
new file mode 100644
index 0000000..51f111b
--- /dev/null
+++ b/shaders/godot3.4/49-43.shader_test
@@ -0,0 +1,3266 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_RADIANCE_MAP
+#define USE_LIGHTING
+#define BASE_PASS
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/49-8.shader_test b/shaders/godot3.4/49-8.shader_test
new file mode 100644
index 0000000..c854b50
--- /dev/null
+++ b/shaders/godot3.4/49-8.shader_test
@@ -0,0 +1,2420 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/52-1.shader_test b/shaders/godot3.4/52-1.shader_test
new file mode 100644
index 0000000..f86c981
--- /dev/null
+++ b/shaders/godot3.4/52-1.shader_test
@@ -0,0 +1,3266 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, gl_PointCoord);
+	m_albedo_tex *= color_interp;
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+	point_size = m_point_size;
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+	modelview = (camera_inverse_matrix * mat4(camera_matrix[0], camera_matrix[1], camera_matrix[2], world_transform[3]));
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/52-22.shader_test b/shaders/godot3.4/52-22.shader_test
new file mode 100644
index 0000000..836dc47
--- /dev/null
+++ b/shaders/godot3.4/52-22.shader_test
@@ -0,0 +1,2434 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_LIGHTMAP_CAPTURE
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_LIGHTMAP_CAPTURE
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/52-28.shader_test b/shaders/godot3.4/52-28.shader_test
new file mode 100644
index 0000000..80bf864
--- /dev/null
+++ b/shaders/godot3.4/52-28.shader_test
@@ -0,0 +1,2438 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+float m_normal_scale;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		float m_metallic_tex=dot(texture(m_texture_metallic, m_base_uv), m_metallic_texture_channel);
+		metallic=(m_metallic_tex*m_metallic);
+		float m_roughness_tex=dot(texture(m_texture_roughness, m_base_uv), m_roughness_texture_channel);
+		roughness=(m_roughness_tex*m_roughness);
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+float m_normal_scale;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/52-35.shader_test b/shaders/godot3.4/52-35.shader_test
new file mode 100644
index 0000000..71e23d1
--- /dev/null
+++ b/shaders/godot3.4/52-35.shader_test
@@ -0,0 +1,2422 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/52-7.shader_test b/shaders/godot3.4/52-7.shader_test
new file mode 100644
index 0000000..b410a3f
--- /dev/null
+++ b/shaders/godot3.4/52-7.shader_test
@@ -0,0 +1,2446 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_uv1_blend_sharpness;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+in vec3 m_uv1_triplanar_pos;
+in vec3 m_uv1_power_normal;
+
+vec4 m_triplanar_texture(sampler2D m_p_sampler, vec3 m_p_weights, vec3 m_p_triplanar_pos)
+	{
+		vec4 m_samp=vec4(0.0,0.0,0.0,0.0);
+		m_samp+=(texture(m_p_sampler, m_p_triplanar_pos.xy)*m_p_weights.z);
+		m_samp+=(texture(m_p_sampler, m_p_triplanar_pos.xz)*m_p_weights.y);
+		m_samp+=(texture(m_p_sampler, (m_p_triplanar_pos.zy*vec2(-1.0,1.0)))*m_p_weights.x);
+return m_samp;	}
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec4 m_albedo_tex=m_triplanar_texture(m_texture_albedo, m_uv1_power_normal, m_uv1_triplanar_pos);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_uv1_blend_sharpness;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+out vec3 m_uv1_triplanar_pos;
+out vec3 m_uv1_power_normal;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		tangent=(vec3(0.0,0.0,-1.0)*abs(normal.x));
+		tangent+=(vec3(1.0,0.0,0.0)*abs(normal.y));
+		tangent+=(vec3(1.0,0.0,0.0)*abs(normal.z));
+		tangent=normalize(tangent);
+		binormal=(vec3(0.0,1.0,0.0)*abs(normal.x));
+		binormal+=(vec3(0.0,0.0,-1.0)*abs(normal.y));
+		binormal+=(vec3(0.0,1.0,0.0)*abs(normal.z));
+		binormal=normalize(binormal);
+		m_uv1_power_normal=pow(abs(normal), vec3(m_uv1_blend_sharpness));
+		m_uv1_power_normal/=dot(m_uv1_power_normal, vec3(1.0,1.0,1.0));
+		m_uv1_triplanar_pos=((vertex.xyz*m_uv1_scale)+m_uv1_offset);
+		m_uv1_triplanar_pos*=vec3(1.0,-1.0,1.0);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/52-8.shader_test b/shaders/godot3.4/52-8.shader_test
new file mode 100644
index 0000000..e2e6b3d
--- /dev/null
+++ b/shaders/godot3.4/52-8.shader_test
@@ -0,0 +1,2424 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/55-22.shader_test b/shaders/godot3.4/55-22.shader_test
new file mode 100644
index 0000000..d955e11
--- /dev/null
+++ b/shaders/godot3.4/55-22.shader_test
@@ -0,0 +1,2383 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHTMAP
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_LAYERED
+#define USE_LIGHTMAP_FILTER_BICUBIC
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHTMAP
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_LAYERED
+#define USE_LIGHTMAP_FILTER_BICUBIC
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/55-27.shader_test b/shaders/godot3.4/55-27.shader_test
new file mode 100644
index 0000000..d8a69f5
--- /dev/null
+++ b/shaders/godot3.4/55-27.shader_test
@@ -0,0 +1,2414 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_CONTACT_SHADOWS
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_CONTACT_SHADOWS
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/55-28.shader_test b/shaders/godot3.4/55-28.shader_test
new file mode 100644
index 0000000..3a7d907
--- /dev/null
+++ b/shaders/godot3.4/55-28.shader_test
@@ -0,0 +1,2439 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_LAMBERT_WRAP
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define LIGHT_USE_RIM
+#define LIGHT_USE_RIM
+#define ENABLE_SSS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_rim;
+float m_rim_tint;
+float m_subsurface_scattering_strength;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_rim;
+uniform sampler2D m_texture_subsurface_scattering;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec2 m_rim_tex=texture(m_texture_rim, m_base_uv).xy;
+		rim=(m_rim*m_rim_tex.x);
+		rim_tint=(m_rim_tint*m_rim_tex.y);
+		float m_sss_tex=texture(m_texture_subsurface_scattering, m_base_uv).r;
+		sss_strength=(m_subsurface_scattering_strength*m_sss_tex);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_LAMBERT_WRAP
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define LIGHT_USE_RIM
+#define LIGHT_USE_RIM
+#define ENABLE_SSS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_rim;
+float m_rim_tint;
+float m_subsurface_scattering_strength;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_rim;
+uniform sampler2D m_texture_subsurface_scattering;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/55-29.shader_test b/shaders/godot3.4/55-29.shader_test
new file mode 100644
index 0000000..12b5798
--- /dev/null
+++ b/shaders/godot3.4/55-29.shader_test
@@ -0,0 +1,2467 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+			{
+		vec3 m_view_dir=normalize((normalize(-vertex.xyz)*mat3((tangent*m_depth_flip.x), (-binormal*m_depth_flip.y), normal)));
+		float m_num_layers=mix(float(m_depth_max_layers), float(m_depth_min_layers), abs(dot(vec3(0.0,0.0,1.0), m_view_dir)));
+		float m_layer_depth=(1.0/m_num_layers);
+		float m_current_layer_depth=0.0;
+		vec2 m_P=(m_view_dir.xy*m_depth_scale);
+		vec2 m_delta=(m_P/m_num_layers);
+		vec2 m_ofs=m_base_uv;
+		float m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+		float m_current_depth=0.0;
+		while ((m_current_depth<m_depth))
+		{
+					{
+			m_ofs-=m_delta;
+			m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+			m_current_depth+=m_layer_depth;
+		}
+;
+		}
+		vec2 m_prev_ofs=(m_ofs+m_delta);
+		float m_after_depth=(m_depth-m_current_depth);
+		float m_before_depth=((textureLod(m_texture_depth, m_prev_ofs, 0.0).r-m_current_depth)+m_layer_depth);
+		float m_weight=(m_after_depth/(m_after_depth-m_before_depth));
+		m_ofs=mix(m_ofs, m_prev_ofs, m_weight);
+		m_base_uv=m_ofs;
+	}
+;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/55-8.shader_test b/shaders/godot3.4/55-8.shader_test
new file mode 100644
index 0000000..edb0a6e
--- /dev/null
+++ b/shaders/godot3.4/55-8.shader_test
@@ -0,0 +1,2432 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/58-21.shader_test b/shaders/godot3.4/58-21.shader_test
new file mode 100644
index 0000000..4065291
--- /dev/null
+++ b/shaders/godot3.4/58-21.shader_test
@@ -0,0 +1,2430 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHTMAP
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_LAYERED
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHTMAP
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_LAYERED
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/58-26.shader_test b/shaders/godot3.4/58-26.shader_test
new file mode 100644
index 0000000..97ad55e
--- /dev/null
+++ b/shaders/godot3.4/58-26.shader_test
@@ -0,0 +1,2412 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_CONTACT_SHADOWS
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_LIGHT_DIRECTIONAL
+#define USE_CONTACT_SHADOWS
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/58-27.shader_test b/shaders/godot3.4/58-27.shader_test
new file mode 100644
index 0000000..3f47067
--- /dev/null
+++ b/shaders/godot3.4/58-27.shader_test
@@ -0,0 +1,2439 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define LIGHT_USE_ANISOTROPY
+#define LIGHT_USE_ANISOTROPY
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+float m_anisotropy_ratio;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_flowmap;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+		vec3 m_anisotropy_tex=texture(m_texture_flowmap, m_base_uv).rga;
+		anisotropy=(m_anisotropy_ratio*m_anisotropy_tex.b);
+		anisotropy_flow=((m_anisotropy_tex.rg*2.0)-1.0);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define LIGHT_USE_ANISOTROPY
+#define LIGHT_USE_ANISOTROPY
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+float m_anisotropy_ratio;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_flowmap;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/58-28.shader_test b/shaders/godot3.4/58-28.shader_test
new file mode 100644
index 0000000..2c3c863
--- /dev/null
+++ b/shaders/godot3.4/58-28.shader_test
@@ -0,0 +1,2472 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+float m_normal_scale;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+			{
+		vec3 m_view_dir=normalize((normalize(-vertex.xyz)*mat3((tangent*m_depth_flip.x), (-binormal*m_depth_flip.y), normal)));
+		float m_num_layers=mix(float(m_depth_max_layers), float(m_depth_min_layers), abs(dot(vec3(0.0,0.0,1.0), m_view_dir)));
+		float m_layer_depth=(1.0/m_num_layers);
+		float m_current_layer_depth=0.0;
+		vec2 m_P=(m_view_dir.xy*m_depth_scale);
+		vec2 m_delta=(m_P/m_num_layers);
+		vec2 m_ofs=m_base_uv;
+		float m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+		float m_current_depth=0.0;
+		while ((m_current_depth<m_depth))
+		{
+					{
+			m_ofs-=m_delta;
+			m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+			m_current_depth+=m_layer_depth;
+		}
+;
+		}
+		vec2 m_prev_ofs=(m_ofs+m_delta);
+		float m_after_depth=(m_depth-m_current_depth);
+		float m_before_depth=((textureLod(m_texture_depth, m_prev_ofs, 0.0).r-m_current_depth)+m_layer_depth);
+		float m_weight=(m_after_depth/(m_after_depth-m_before_depth));
+		m_ofs=mix(m_ofs, m_prev_ofs, m_weight);
+		m_base_uv=m_ofs;
+	}
+;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		float m_metallic_tex=dot(texture(m_texture_metallic, m_base_uv), m_metallic_texture_channel);
+		metallic=(m_metallic_tex*m_metallic);
+		roughness=m_roughness;
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+float m_normal_scale;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/61-25.shader_test b/shaders/godot3.4/61-25.shader_test
new file mode 100644
index 0000000..4e80b0a
--- /dev/null
+++ b/shaders/godot3.4/61-25.shader_test
@@ -0,0 +1,283 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define V_FLIP
+#define LINEAR_TO_SRGB
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#if !defined(USE_GLES_OVER_GL)
+precision mediump float;
+#endif
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+in vec3 cube_interp;
+#else
+in vec2 uv_interp;
+#endif
+
+#ifdef USE_ASYM_PANO
+uniform highp mat4 pano_transform;
+uniform highp vec4 asym_proj;
+#endif
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_TEXTURE3D
+#endif
+#ifdef USE_TEXTURE2DARRAY
+#endif
+#ifdef YCBCR_TO_SRGB
+#endif
+
+#ifdef USE_CUBEMAP
+uniform samplerCube source_cube; //texunit:0
+#elif defined(USE_TEXTURE3D)
+uniform sampler3D source_3d; //texunit:0
+#elif defined(USE_TEXTURE2DARRAY)
+uniform sampler2DArray source_2d_array; //texunit:0
+#else
+uniform sampler2D source; //texunit:0
+#endif
+
+#ifdef SEP_CBCR_TEXTURE
+uniform sampler2D CbCr; //texunit:1
+#endif
+
+/* clang-format on */
+
+#ifdef USE_LOD
+uniform float mip_level;
+#endif
+
+#if defined(USE_TEXTURE3D) || defined(USE_TEXTURE2DARRAY)
+uniform float layer;
+#endif
+
+#ifdef USE_MULTIPLIER
+uniform float multiplier;
+#endif
+
+#if defined(USE_PANORAMA) || defined(USE_ASYM_PANO)
+uniform highp mat4 sky_transform;
+
+vec4 texturePanorama(vec3 normal, sampler2D pano) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return textureLod(pano, st, 0.0);
+}
+
+#endif
+
+uniform vec2 pixel_size;
+
+in vec2 uv2_interp;
+
+#ifdef USE_BCS
+
+uniform vec3 bcs;
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+uniform sampler2D color_correction; //texunit:1
+
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+void main() {
+	//vec4 color = color_interp;
+
+#ifdef USE_PANORAMA
+
+	vec3 cube_normal = normalize(cube_interp);
+	cube_normal.z = -cube_normal.z;
+	cube_normal = mat3(sky_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(cube_normal, source);
+
+#elif defined(USE_ASYM_PANO)
+
+	// When an asymmetrical projection matrix is used (applicable for stereoscopic rendering i.e. VR) we need to do this calculation per fragment to get a perspective correct result.
+	// Asymmetrical projection means the center of projection is no longer in the center of the screen but shifted.
+	// The Matrix[2][0] (= asym_proj.x) and Matrix[2][1] (= asym_proj.z) values are what provide the right shift in the image.
+
+	vec3 cube_normal;
+	cube_normal.z = -1.0;
+	cube_normal.x = (cube_normal.z * (-uv_interp.x - asym_proj.x)) / asym_proj.y;
+	cube_normal.y = (cube_normal.z * (-uv_interp.y - asym_proj.z)) / asym_proj.a;
+	cube_normal = mat3(sky_transform) * mat3(pano_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(normalize(cube_normal.xyz), source);
+
+#elif defined(USE_CUBEMAP)
+	vec4 color = texture(source_cube, normalize(cube_interp));
+
+#elif defined(USE_TEXTURE3D)
+	vec4 color = textureLod(source_3d, vec3(uv_interp, layer), 0.0);
+#elif defined(USE_TEXTURE2DARRAY)
+	vec4 color = textureLod(source_2d_array, vec3(uv_interp, layer), 0.0);
+#elif defined(SEP_CBCR_TEXTURE)
+	vec4 color;
+	color.r = textureLod(source, uv_interp, 0.0).r;
+	color.gb = textureLod(CbCr, uv_interp, 0.0).rg - vec2(0.5, 0.5);
+	color.a = 1.0;
+#else
+#ifdef USE_LOD
+	vec4 color = textureLod(source, uv_interp, mip_level);
+#else
+	vec4 color = textureLod(source, uv_interp, 0.0);
+#endif
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+
+#elif defined(YCBCR_TO_SRGB)
+
+	// YCbCr -> SRGB conversion
+	// Using BT.709 which is the standard for HDTV
+	color.rgb = mat3(
+						vec3(1.00000, 1.00000, 1.00000),
+						vec3(0.00000, -0.18732, 1.85560),
+						vec3(1.57481, -0.46813, 0.00000)) *
+			color.rgb;
+
+#endif
+
+#ifdef SRGB_TO_LINEAR
+
+	color.rgb = mix(pow((color.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), color.rgb * (1.0 / 12.92), lessThan(color.rgb, vec3(0.04045)));
+#endif
+
+#ifdef DEBUG_GRADIENT
+	color.rg = uv_interp;
+	color.b = 0.0;
+#endif
+
+#ifdef DISABLE_ALPHA
+	color.a = 1.0;
+#endif
+
+#ifdef GAUSSIAN_HORIZONTAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(2.0, 0.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(-1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(-2.0, 0.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(0.0, 1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, 2.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(0.0, -1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, -2.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef USE_BCS
+
+	color.rgb = mix(vec3(0.0), color.rgb, bcs.x);
+	color.rgb = mix(vec3(0.5), color.rgb, bcs.y);
+	color.rgb = mix(vec3(dot(vec3(1.0), color.rgb) * 0.33333), color.rgb, bcs.z);
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+	color.r = texture(color_correction, vec2(color.r, 0.0)).r;
+	color.g = texture(color_correction, vec2(color.g, 0.0)).g;
+	color.b = texture(color_correction, vec2(color.b, 0.0)).b;
+#endif
+
+#ifdef USE_MULTIPLIER
+	color.rgb *= multiplier;
+#endif
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define V_FLIP
+#define LINEAR_TO_SRGB
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+layout(location = 4) in vec3 cube_in;
+#else
+layout(location = 4) in vec2 uv_in;
+#endif
+layout(location = 5) in vec2 uv2_in;
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+out vec3 cube_interp;
+#else
+out vec2 uv_interp;
+#endif
+
+out vec2 uv2_interp;
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_DISPLAY_TRANSFORM
+#endif
+
+#ifdef USE_COPY_SECTION
+
+uniform vec4 copy_section;
+
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+uniform highp mat4 display_transform;
+
+#endif
+
+void main() {
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+	cube_interp = cube_in;
+#elif defined(USE_ASYM_PANO)
+	uv_interp = vertex_attrib.xy;
+#else
+	uv_interp = uv_in;
+#ifdef V_FLIP
+	uv_interp.y = 1.0 - uv_interp.y;
+#endif
+
+#endif
+	uv2_interp = uv2_in;
+	gl_Position = vertex_attrib;
+
+#ifdef USE_COPY_SECTION
+
+	uv_interp = copy_section.xy + uv_interp * copy_section.zw;
+	gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0;
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+	uv_interp = (display_transform * vec4(uv_in, 1.0, 1.0)).xy;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/61-26.shader_test b/shaders/godot3.4/61-26.shader_test
new file mode 100644
index 0000000..1504ea3
--- /dev/null
+++ b/shaders/godot3.4/61-26.shader_test
@@ -0,0 +1,2469 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+			{
+		vec3 m_view_dir=normalize((normalize(-vertex.xyz)*mat3((tangent*m_depth_flip.x), (-binormal*m_depth_flip.y), normal)));
+		float m_num_layers=mix(float(m_depth_max_layers), float(m_depth_min_layers), abs(dot(vec3(0.0,0.0,1.0), m_view_dir)));
+		float m_layer_depth=(1.0/m_num_layers);
+		float m_current_layer_depth=0.0;
+		vec2 m_P=(m_view_dir.xy*m_depth_scale);
+		vec2 m_delta=(m_P/m_num_layers);
+		vec2 m_ofs=m_base_uv;
+		float m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+		float m_current_depth=0.0;
+		while ((m_current_depth<m_depth))
+		{
+					{
+			m_ofs-=m_delta;
+			m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+			m_current_depth+=m_layer_depth;
+		}
+;
+		}
+		vec2 m_prev_ofs=(m_ofs+m_delta);
+		float m_after_depth=(m_depth-m_current_depth);
+		float m_before_depth=((textureLod(m_texture_depth, m_prev_ofs, 0.0).r-m_current_depth)+m_layer_depth);
+		float m_weight=(m_after_depth/(m_after_depth-m_before_depth));
+		m_ofs=mix(m_ofs, m_prev_ofs, m_weight);
+		m_base_uv=m_ofs;
+	}
+;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/61-27.shader_test b/shaders/godot3.4/61-27.shader_test
new file mode 100644
index 0000000..4d11faa
--- /dev/null
+++ b/shaders/godot3.4/61-27.shader_test
@@ -0,0 +1,2437 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define LIGHT_USE_ANISOTROPY
+#define LIGHT_USE_ANISOTROPY
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+float m_anisotropy_ratio;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_flowmap;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+		vec3 m_anisotropy_tex=texture(m_texture_flowmap, m_base_uv).rga;
+		anisotropy=(m_anisotropy_ratio*m_anisotropy_tex.b);
+		anisotropy_flow=((m_anisotropy_tex.rg*2.0)-1.0);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define LIGHT_USE_ANISOTROPY
+#define LIGHT_USE_ANISOTROPY
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+float m_anisotropy_ratio;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_flowmap;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/61-7.shader_test b/shaders/godot3.4/61-7.shader_test
new file mode 100644
index 0000000..c9c9cca
--- /dev/null
+++ b/shaders/godot3.4/61-7.shader_test
@@ -0,0 +1,2414 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/61-8.shader_test b/shaders/godot3.4/61-8.shader_test
new file mode 100644
index 0000000..785e960
--- /dev/null
+++ b/shaders/godot3.4/61-8.shader_test
@@ -0,0 +1,2430 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/64-20.shader_test b/shaders/godot3.4/64-20.shader_test
new file mode 100644
index 0000000..e57862b
--- /dev/null
+++ b/shaders/godot3.4/64-20.shader_test
@@ -0,0 +1,2426 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_GI_PROBES
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_GI_PROBES
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/64-25.shader_test b/shaders/godot3.4/64-25.shader_test
new file mode 100644
index 0000000..af44771
--- /dev/null
+++ b/shaders/godot3.4/64-25.shader_test
@@ -0,0 +1,2474 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+float m_normal_scale;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+			{
+		vec3 m_view_dir=normalize((normalize(-vertex.xyz)*mat3((tangent*m_depth_flip.x), (-binormal*m_depth_flip.y), normal)));
+		float m_num_layers=mix(float(m_depth_max_layers), float(m_depth_min_layers), abs(dot(vec3(0.0,0.0,1.0), m_view_dir)));
+		float m_layer_depth=(1.0/m_num_layers);
+		float m_current_layer_depth=0.0;
+		vec2 m_P=(m_view_dir.xy*m_depth_scale);
+		vec2 m_delta=(m_P/m_num_layers);
+		vec2 m_ofs=m_base_uv;
+		float m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+		float m_current_depth=0.0;
+		while ((m_current_depth<m_depth))
+		{
+					{
+			m_ofs-=m_delta;
+			m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+			m_current_depth+=m_layer_depth;
+		}
+;
+		}
+		vec2 m_prev_ofs=(m_ofs+m_delta);
+		float m_after_depth=(m_depth-m_current_depth);
+		float m_before_depth=((textureLod(m_texture_depth, m_prev_ofs, 0.0).r-m_current_depth)+m_layer_depth);
+		float m_weight=(m_after_depth/(m_after_depth-m_before_depth));
+		m_ofs=mix(m_ofs, m_prev_ofs, m_weight);
+		m_base_uv=m_ofs;
+	}
+;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		float m_metallic_tex=dot(texture(m_texture_metallic, m_base_uv), m_metallic_texture_channel);
+		metallic=(m_metallic_tex*m_metallic);
+		roughness=m_roughness;
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+float m_normal_scale;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/64-26.shader_test b/shaders/godot3.4/64-26.shader_test
new file mode 100644
index 0000000..e9a164c
--- /dev/null
+++ b/shaders/godot3.4/64-26.shader_test
@@ -0,0 +1,2436 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+float m_normal_scale;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		float m_metallic_tex=dot(texture(m_texture_metallic, m_base_uv), m_metallic_texture_channel);
+		metallic=(m_metallic_tex*m_metallic);
+		float m_roughness_tex=dot(texture(m_texture_roughness, m_base_uv), m_roughness_texture_channel);
+		roughness=(m_roughness_tex*m_roughness);
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+vec4 m_roughness_texture_channel;
+float m_normal_scale;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_roughness;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/64-8.shader_test b/shaders/godot3.4/64-8.shader_test
new file mode 100644
index 0000000..bc24238
--- /dev/null
+++ b/shaders/godot3.4/64-8.shader_test
@@ -0,0 +1,2448 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_uv1_blend_sharpness;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+in vec3 m_uv1_power_normal;
+in vec3 m_uv1_triplanar_pos;
+
+vec4 m_triplanar_texture(sampler2D m_p_sampler, vec3 m_p_weights, vec3 m_p_triplanar_pos)
+	{
+		vec4 m_samp=vec4(0.0,0.0,0.0,0.0);
+		m_samp+=(texture(m_p_sampler, m_p_triplanar_pos.xy)*m_p_weights.z);
+		m_samp+=(texture(m_p_sampler, m_p_triplanar_pos.xz)*m_p_weights.y);
+		m_samp+=(texture(m_p_sampler, (m_p_triplanar_pos.zy*vec2(-1.0,1.0)))*m_p_weights.x);
+return m_samp;	}
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec4 m_albedo_tex=m_triplanar_texture(m_texture_albedo, m_uv1_power_normal, m_uv1_triplanar_pos);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHT_DIRECTIONAL_SHADOW
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_uv1_blend_sharpness;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+out vec3 m_uv1_power_normal;
+out vec3 m_uv1_triplanar_pos;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		tangent=(vec3(0.0,0.0,-1.0)*abs(normal.x));
+		tangent+=(vec3(1.0,0.0,0.0)*abs(normal.y));
+		tangent+=(vec3(1.0,0.0,0.0)*abs(normal.z));
+		tangent=normalize(tangent);
+		binormal=(vec3(0.0,1.0,0.0)*abs(normal.x));
+		binormal+=(vec3(0.0,0.0,-1.0)*abs(normal.y));
+		binormal+=(vec3(0.0,1.0,0.0)*abs(normal.z));
+		binormal=normalize(binormal);
+		m_uv1_power_normal=pow(abs(normal), vec3(m_uv1_blend_sharpness));
+		m_uv1_power_normal/=dot(m_uv1_power_normal, vec3(1.0,1.0,1.0));
+		m_uv1_triplanar_pos=((vertex.xyz*m_uv1_scale)+m_uv1_offset);
+		m_uv1_triplanar_pos*=vec3(1.0,-1.0,1.0);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/67-19.shader_test b/shaders/godot3.4/67-19.shader_test
new file mode 100644
index 0000000..dc59757
--- /dev/null
+++ b/shaders/godot3.4/67-19.shader_test
@@ -0,0 +1,2434 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_GI_PROBES
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_GI_PROBES
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/67-24.shader_test b/shaders/godot3.4/67-24.shader_test
new file mode 100644
index 0000000..b51e061
--- /dev/null
+++ b/shaders/godot3.4/67-24.shader_test
@@ -0,0 +1,2486 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_ambient_occlusion;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+			{
+		vec3 m_view_dir=normalize((normalize(-vertex.xyz)*mat3((tangent*m_depth_flip.x), (-binormal*m_depth_flip.y), normal)));
+		float m_num_layers=mix(float(m_depth_max_layers), float(m_depth_min_layers), abs(dot(vec3(0.0,0.0,1.0), m_view_dir)));
+		float m_layer_depth=(1.0/m_num_layers);
+		float m_current_layer_depth=0.0;
+		vec2 m_P=(m_view_dir.xy*m_depth_scale);
+		vec2 m_delta=(m_P/m_num_layers);
+		vec2 m_ofs=m_base_uv;
+		float m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+		float m_current_depth=0.0;
+		while ((m_current_depth<m_depth))
+		{
+					{
+			m_ofs-=m_delta;
+			m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+			m_current_depth+=m_layer_depth;
+		}
+;
+		}
+		vec2 m_prev_ofs=(m_ofs+m_delta);
+		float m_after_depth=(m_depth-m_current_depth);
+		float m_before_depth=((textureLod(m_texture_depth, m_prev_ofs, 0.0).r-m_current_depth)+m_layer_depth);
+		float m_weight=(m_after_depth/(m_after_depth-m_before_depth));
+		m_ofs=mix(m_ofs, m_prev_ofs, m_weight);
+		m_base_uv=m_ofs;
+	}
+;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		float m_metallic_tex=dot(texture(m_texture_metallic, m_base_uv), m_metallic_texture_channel);
+		metallic=(m_metallic_tex*m_metallic);
+		roughness=m_roughness;
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+		ao=dot(texture(m_texture_ambient_occlusion, m_base_uv), m_ao_texture_channel);
+		ao_light_affect=m_ao_light_affect;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_metallic_texture_channel;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_metallic;
+uniform sampler2D m_texture_ambient_occlusion;
+uniform sampler2D m_texture_depth;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/67-25.shader_test b/shaders/godot3.4/67-25.shader_test
new file mode 100644
index 0000000..cc216fb
--- /dev/null
+++ b/shaders/godot3.4/67-25.shader_test
@@ -0,0 +1,2437 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_LAMBERT_WRAP
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define LIGHT_USE_RIM
+#define LIGHT_USE_RIM
+#define ENABLE_SSS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_rim;
+float m_rim_tint;
+float m_subsurface_scattering_strength;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_rim;
+uniform sampler2D m_texture_subsurface_scattering;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec2 m_rim_tex=texture(m_texture_rim, m_base_uv).xy;
+		rim=(m_rim*m_rim_tex.x);
+		rim_tint=(m_rim_tint*m_rim_tex.y);
+		float m_sss_tex=texture(m_texture_subsurface_scattering, m_base_uv).r;
+		sss_strength=(m_subsurface_scattering_strength*m_sss_tex);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_LAMBERT_WRAP
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define LIGHT_USE_RIM
+#define LIGHT_USE_RIM
+#define ENABLE_SSS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_rim;
+float m_rim_tint;
+float m_subsurface_scattering_strength;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_rim;
+uniform sampler2D m_texture_subsurface_scattering;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/67-30.shader_test b/shaders/godot3.4/67-30.shader_test
new file mode 100644
index 0000000..88c490a
--- /dev/null
+++ b/shaders/godot3.4/67-30.shader_test
@@ -0,0 +1,2417 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		alpha=(m_albedo.a*m_albedo_tex.a);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_SKELETON
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/7-10.shader_test b/shaders/godot3.4/7-10.shader_test
new file mode 100644
index 0000000..ec1fedb
--- /dev/null
+++ b/shaders/godot3.4/7-10.shader_test
@@ -0,0 +1,1590 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp float m_aura_width;
+uniform highp vec4 m_aura_color;
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec4 m_col = texture2D(color_texture, uv);
+	vec2 m_ps = color_texpixel_size;
+	float m_a;
+	float m_maxa = m_col.a;
+	float m_mina = m_col.a;
+	m_a = texture2D(color_texture, (uv + (vec2(0.0, -m_aura_width) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(0.0, m_aura_width) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(-m_aura_width, 0.0) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_a = texture2D(color_texture, (uv + (vec2(m_aura_width, 0.0) * m_ps))).a;
+	m_maxa = max(m_a, m_maxa);
+	m_mina = min(m_a, m_mina);
+	m_col.rgb *= m_col.a;
+	color = m_col;
+	color.rgb += (m_aura_color.rgb * (m_maxa - m_mina));
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp float m_aura_width;
+uniform highp vec4 m_aura_color;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/7-13.shader_test b/shaders/godot3.4/7-13.shader_test
new file mode 100644
index 0000000..b857f47
--- /dev/null
+++ b/shaders/godot3.4/7-13.shader_test
@@ -0,0 +1,281 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_LOD
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#if !defined(USE_GLES_OVER_GL)
+precision mediump float;
+#endif
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+in vec3 cube_interp;
+#else
+in vec2 uv_interp;
+#endif
+
+#ifdef USE_ASYM_PANO
+uniform highp mat4 pano_transform;
+uniform highp vec4 asym_proj;
+#endif
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_TEXTURE3D
+#endif
+#ifdef USE_TEXTURE2DARRAY
+#endif
+#ifdef YCBCR_TO_SRGB
+#endif
+
+#ifdef USE_CUBEMAP
+uniform samplerCube source_cube; //texunit:0
+#elif defined(USE_TEXTURE3D)
+uniform sampler3D source_3d; //texunit:0
+#elif defined(USE_TEXTURE2DARRAY)
+uniform sampler2DArray source_2d_array; //texunit:0
+#else
+uniform sampler2D source; //texunit:0
+#endif
+
+#ifdef SEP_CBCR_TEXTURE
+uniform sampler2D CbCr; //texunit:1
+#endif
+
+/* clang-format on */
+
+#ifdef USE_LOD
+uniform float mip_level;
+#endif
+
+#if defined(USE_TEXTURE3D) || defined(USE_TEXTURE2DARRAY)
+uniform float layer;
+#endif
+
+#ifdef USE_MULTIPLIER
+uniform float multiplier;
+#endif
+
+#if defined(USE_PANORAMA) || defined(USE_ASYM_PANO)
+uniform highp mat4 sky_transform;
+
+vec4 texturePanorama(vec3 normal, sampler2D pano) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return textureLod(pano, st, 0.0);
+}
+
+#endif
+
+uniform vec2 pixel_size;
+
+in vec2 uv2_interp;
+
+#ifdef USE_BCS
+
+uniform vec3 bcs;
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+uniform sampler2D color_correction; //texunit:1
+
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+void main() {
+	//vec4 color = color_interp;
+
+#ifdef USE_PANORAMA
+
+	vec3 cube_normal = normalize(cube_interp);
+	cube_normal.z = -cube_normal.z;
+	cube_normal = mat3(sky_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(cube_normal, source);
+
+#elif defined(USE_ASYM_PANO)
+
+	// When an asymmetrical projection matrix is used (applicable for stereoscopic rendering i.e. VR) we need to do this calculation per fragment to get a perspective correct result.
+	// Asymmetrical projection means the center of projection is no longer in the center of the screen but shifted.
+	// The Matrix[2][0] (= asym_proj.x) and Matrix[2][1] (= asym_proj.z) values are what provide the right shift in the image.
+
+	vec3 cube_normal;
+	cube_normal.z = -1.0;
+	cube_normal.x = (cube_normal.z * (-uv_interp.x - asym_proj.x)) / asym_proj.y;
+	cube_normal.y = (cube_normal.z * (-uv_interp.y - asym_proj.z)) / asym_proj.a;
+	cube_normal = mat3(sky_transform) * mat3(pano_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(normalize(cube_normal.xyz), source);
+
+#elif defined(USE_CUBEMAP)
+	vec4 color = texture(source_cube, normalize(cube_interp));
+
+#elif defined(USE_TEXTURE3D)
+	vec4 color = textureLod(source_3d, vec3(uv_interp, layer), 0.0);
+#elif defined(USE_TEXTURE2DARRAY)
+	vec4 color = textureLod(source_2d_array, vec3(uv_interp, layer), 0.0);
+#elif defined(SEP_CBCR_TEXTURE)
+	vec4 color;
+	color.r = textureLod(source, uv_interp, 0.0).r;
+	color.gb = textureLod(CbCr, uv_interp, 0.0).rg - vec2(0.5, 0.5);
+	color.a = 1.0;
+#else
+#ifdef USE_LOD
+	vec4 color = textureLod(source, uv_interp, mip_level);
+#else
+	vec4 color = textureLod(source, uv_interp, 0.0);
+#endif
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+
+#elif defined(YCBCR_TO_SRGB)
+
+	// YCbCr -> SRGB conversion
+	// Using BT.709 which is the standard for HDTV
+	color.rgb = mat3(
+						vec3(1.00000, 1.00000, 1.00000),
+						vec3(0.00000, -0.18732, 1.85560),
+						vec3(1.57481, -0.46813, 0.00000)) *
+			color.rgb;
+
+#endif
+
+#ifdef SRGB_TO_LINEAR
+
+	color.rgb = mix(pow((color.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), color.rgb * (1.0 / 12.92), lessThan(color.rgb, vec3(0.04045)));
+#endif
+
+#ifdef DEBUG_GRADIENT
+	color.rg = uv_interp;
+	color.b = 0.0;
+#endif
+
+#ifdef DISABLE_ALPHA
+	color.a = 1.0;
+#endif
+
+#ifdef GAUSSIAN_HORIZONTAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(2.0, 0.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(-1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(-2.0, 0.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(0.0, 1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, 2.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(0.0, -1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, -2.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef USE_BCS
+
+	color.rgb = mix(vec3(0.0), color.rgb, bcs.x);
+	color.rgb = mix(vec3(0.5), color.rgb, bcs.y);
+	color.rgb = mix(vec3(dot(vec3(1.0), color.rgb) * 0.33333), color.rgb, bcs.z);
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+	color.r = texture(color_correction, vec2(color.r, 0.0)).r;
+	color.g = texture(color_correction, vec2(color.g, 0.0)).g;
+	color.b = texture(color_correction, vec2(color.b, 0.0)).b;
+#endif
+
+#ifdef USE_MULTIPLIER
+	color.rgb *= multiplier;
+#endif
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_LOD
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+layout(location = 4) in vec3 cube_in;
+#else
+layout(location = 4) in vec2 uv_in;
+#endif
+layout(location = 5) in vec2 uv2_in;
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+out vec3 cube_interp;
+#else
+out vec2 uv_interp;
+#endif
+
+out vec2 uv2_interp;
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_DISPLAY_TRANSFORM
+#endif
+
+#ifdef USE_COPY_SECTION
+
+uniform vec4 copy_section;
+
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+uniform highp mat4 display_transform;
+
+#endif
+
+void main() {
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+	cube_interp = cube_in;
+#elif defined(USE_ASYM_PANO)
+	uv_interp = vertex_attrib.xy;
+#else
+	uv_interp = uv_in;
+#ifdef V_FLIP
+	uv_interp.y = 1.0 - uv_interp.y;
+#endif
+
+#endif
+	uv2_interp = uv2_in;
+	gl_Position = vertex_attrib;
+
+#ifdef USE_COPY_SECTION
+
+	uv_interp = copy_section.xy + uv_interp * copy_section.zw;
+	gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0;
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+	uv_interp = (display_transform * vec4(uv_in, 1.0, 1.0)).xy;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/7-70.shader_test b/shaders/godot3.4/7-70.shader_test
new file mode 100644
index 0000000..2f368a1
--- /dev/null
+++ b/shaders/godot3.4/7-70.shader_test
@@ -0,0 +1,279 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#if !defined(USE_GLES_OVER_GL)
+precision mediump float;
+#endif
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+in vec3 cube_interp;
+#else
+in vec2 uv_interp;
+#endif
+
+#ifdef USE_ASYM_PANO
+uniform highp mat4 pano_transform;
+uniform highp vec4 asym_proj;
+#endif
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_TEXTURE3D
+#endif
+#ifdef USE_TEXTURE2DARRAY
+#endif
+#ifdef YCBCR_TO_SRGB
+#endif
+
+#ifdef USE_CUBEMAP
+uniform samplerCube source_cube; //texunit:0
+#elif defined(USE_TEXTURE3D)
+uniform sampler3D source_3d; //texunit:0
+#elif defined(USE_TEXTURE2DARRAY)
+uniform sampler2DArray source_2d_array; //texunit:0
+#else
+uniform sampler2D source; //texunit:0
+#endif
+
+#ifdef SEP_CBCR_TEXTURE
+uniform sampler2D CbCr; //texunit:1
+#endif
+
+/* clang-format on */
+
+#ifdef USE_LOD
+uniform float mip_level;
+#endif
+
+#if defined(USE_TEXTURE3D) || defined(USE_TEXTURE2DARRAY)
+uniform float layer;
+#endif
+
+#ifdef USE_MULTIPLIER
+uniform float multiplier;
+#endif
+
+#if defined(USE_PANORAMA) || defined(USE_ASYM_PANO)
+uniform highp mat4 sky_transform;
+
+vec4 texturePanorama(vec3 normal, sampler2D pano) {
+	vec2 st = vec2(
+			atan(normal.x, normal.z),
+			acos(normal.y));
+
+	if (st.x < 0.0)
+		st.x += M_PI * 2.0;
+
+	st /= vec2(M_PI * 2.0, M_PI);
+
+	return textureLod(pano, st, 0.0);
+}
+
+#endif
+
+uniform vec2 pixel_size;
+
+in vec2 uv2_interp;
+
+#ifdef USE_BCS
+
+uniform vec3 bcs;
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+uniform sampler2D color_correction; //texunit:1
+
+#endif
+
+layout(location = 0) out vec4 frag_color;
+
+void main() {
+	//vec4 color = color_interp;
+
+#ifdef USE_PANORAMA
+
+	vec3 cube_normal = normalize(cube_interp);
+	cube_normal.z = -cube_normal.z;
+	cube_normal = mat3(sky_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(cube_normal, source);
+
+#elif defined(USE_ASYM_PANO)
+
+	// When an asymmetrical projection matrix is used (applicable for stereoscopic rendering i.e. VR) we need to do this calculation per fragment to get a perspective correct result.
+	// Asymmetrical projection means the center of projection is no longer in the center of the screen but shifted.
+	// The Matrix[2][0] (= asym_proj.x) and Matrix[2][1] (= asym_proj.z) values are what provide the right shift in the image.
+
+	vec3 cube_normal;
+	cube_normal.z = -1.0;
+	cube_normal.x = (cube_normal.z * (-uv_interp.x - asym_proj.x)) / asym_proj.y;
+	cube_normal.y = (cube_normal.z * (-uv_interp.y - asym_proj.z)) / asym_proj.a;
+	cube_normal = mat3(sky_transform) * mat3(pano_transform) * cube_normal;
+	cube_normal.z = -cube_normal.z;
+
+	vec4 color = texturePanorama(normalize(cube_normal.xyz), source);
+
+#elif defined(USE_CUBEMAP)
+	vec4 color = texture(source_cube, normalize(cube_interp));
+
+#elif defined(USE_TEXTURE3D)
+	vec4 color = textureLod(source_3d, vec3(uv_interp, layer), 0.0);
+#elif defined(USE_TEXTURE2DARRAY)
+	vec4 color = textureLod(source_2d_array, vec3(uv_interp, layer), 0.0);
+#elif defined(SEP_CBCR_TEXTURE)
+	vec4 color;
+	color.r = textureLod(source, uv_interp, 0.0).r;
+	color.gb = textureLod(CbCr, uv_interp, 0.0).rg - vec2(0.5, 0.5);
+	color.a = 1.0;
+#else
+#ifdef USE_LOD
+	vec4 color = textureLod(source, uv_interp, mip_level);
+#else
+	vec4 color = textureLod(source, uv_interp, 0.0);
+#endif
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+
+#elif defined(YCBCR_TO_SRGB)
+
+	// YCbCr -> SRGB conversion
+	// Using BT.709 which is the standard for HDTV
+	color.rgb = mat3(
+						vec3(1.00000, 1.00000, 1.00000),
+						vec3(0.00000, -0.18732, 1.85560),
+						vec3(1.57481, -0.46813, 0.00000)) *
+			color.rgb;
+
+#endif
+
+#ifdef SRGB_TO_LINEAR
+
+	color.rgb = mix(pow((color.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), color.rgb * (1.0 / 12.92), lessThan(color.rgb, vec3(0.04045)));
+#endif
+
+#ifdef DEBUG_GRADIENT
+	color.rg = uv_interp;
+	color.b = 0.0;
+#endif
+
+#ifdef DISABLE_ALPHA
+	color.a = 1.0;
+#endif
+
+#ifdef GAUSSIAN_HORIZONTAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(2.0, 0.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(-1.0, 0.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(-2.0, 0.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	color *= 0.38774;
+	color += texture(source, uv_interp + vec2(0.0, 1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, 2.0) * pixel_size) * 0.06136;
+	color += texture(source, uv_interp + vec2(0.0, -1.0) * pixel_size) * 0.24477;
+	color += texture(source, uv_interp + vec2(0.0, -2.0) * pixel_size) * 0.06136;
+#endif
+
+#ifdef USE_BCS
+
+	color.rgb = mix(vec3(0.0), color.rgb, bcs.x);
+	color.rgb = mix(vec3(0.5), color.rgb, bcs.y);
+	color.rgb = mix(vec3(dot(vec3(1.0), color.rgb) * 0.33333), color.rgb, bcs.z);
+
+#endif
+
+#ifdef USE_COLOR_CORRECTION
+
+	color.r = texture(color_correction, vec2(color.r, 0.0)).r;
+	color.g = texture(color_correction, vec2(color.g, 0.0)).g;
+	color.b = texture(color_correction, vec2(color.b, 0.0)).b;
+#endif
+
+#ifdef USE_MULTIPLIER
+	color.rgb *= multiplier;
+#endif
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+layout(location = 4) in vec3 cube_in;
+#else
+layout(location = 4) in vec2 uv_in;
+#endif
+layout(location = 5) in vec2 uv2_in;
+
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+out vec3 cube_interp;
+#else
+out vec2 uv_interp;
+#endif
+
+out vec2 uv2_interp;
+
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_DISPLAY_TRANSFORM
+#endif
+
+#ifdef USE_COPY_SECTION
+
+uniform vec4 copy_section;
+
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+uniform highp mat4 display_transform;
+
+#endif
+
+void main() {
+#if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
+	cube_interp = cube_in;
+#elif defined(USE_ASYM_PANO)
+	uv_interp = vertex_attrib.xy;
+#else
+	uv_interp = uv_in;
+#ifdef V_FLIP
+	uv_interp.y = 1.0 - uv_interp.y;
+#endif
+
+#endif
+	uv2_interp = uv2_in;
+	gl_Position = vertex_attrib;
+
+#ifdef USE_COPY_SECTION
+
+	uv_interp = copy_section.xy + uv_interp * copy_section.zw;
+	gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0;
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+	uv_interp = (display_transform * vec4(uv_in, 1.0, 1.0)).xy;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/70-18.shader_test b/shaders/godot3.4/70-18.shader_test
new file mode 100644
index 0000000..362cfc3
--- /dev/null
+++ b/shaders/godot3.4/70-18.shader_test
@@ -0,0 +1,2387 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_GI_PROBES
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_GI_PROBES
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/70-2.shader_test b/shaders/godot3.4/70-2.shader_test
new file mode 100644
index 0000000..cdac499
--- /dev/null
+++ b/shaders/godot3.4/70-2.shader_test
@@ -0,0 +1,909 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_TEXTURE_RECT
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+uniform mediump sampler2D color_texture; // texunit:0
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:1
+
+in highp vec2 uv_interp;
+in mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+flat in mediump vec4 modulate_interp;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform sampler2D screen_texture; // texunit:-3
+
+#endif
+
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
+layout(std140) uniform CanvasItemData {
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData {
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+uniform lowp sampler2D light_texture; // texunit:-1
+in vec4 light_uv_interp;
+in vec2 transformed_light_uv;
+
+in vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-2
+in highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform mediump vec4 final_modulate;
+
+layout(location = 0) out mediump vec4 frag_color;
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+int m_particles_anim_h_frames;
+int m_particles_anim_v_frames;
+bool m_particles_anim_loop;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+uniform bool clip_rect_uv;
+
+#ifdef USE_NINEPATCH
+
+in highp vec2 pixel_size_interp;
+
+uniform int np_repeat_v;
+uniform int np_repeat_h;
+uniform bool np_draw_center;
+// left top right bottom in pixel coordinates
+uniform vec4 np_margins;
+
+// there are two ninepatch modes, and we don't want to waste a conditional
+#if defined USE_NINEPATCH_SCALING
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, float s_ratio, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	float screen_margin_begin = margin_begin / s_ratio;
+	float screen_margin_end = margin_end / s_ratio;
+	if (pixel < screen_margin_begin) {
+		return pixel * s_ratio * tex_pixel_size;
+	} else if (pixel >= draw_size - screen_margin_end) {
+		return (tex_size - (draw_size - pixel) * s_ratio) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		if (np_repeat == 0) { //stretch
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / (draw_size - screen_margin_begin - screen_margin_end);
+			//scale to source texture
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { //tile
+			//convert to ratio
+			float ofs = mod((pixel - screen_margin_begin), tex_size - margin_begin - margin_end);
+			//scale to source texture
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { //tile fit
+			//convert to ratio
+			float src_area = draw_size - screen_margin_begin - screen_margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+
+			//convert to ratio
+			float ratio = (pixel - screen_margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		}
+	}
+}
+#else
+float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) {
+	float tex_size = 1.0 / tex_pixel_size;
+
+	if (pixel < margin_begin) {
+		return pixel * tex_pixel_size;
+	} else if (pixel >= draw_size - margin_end) {
+		return (tex_size - (draw_size - pixel)) * tex_pixel_size;
+	} else {
+		if (!np_draw_center) {
+			draw_center--;
+		}
+
+		// np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum.
+		if (np_repeat == 0) { // Stretch.
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
+		} else if (np_repeat == 1) { // Tile.
+			// Convert to offset.
+			float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
+			// Scale to source texture.
+			return (margin_begin + ofs) * tex_pixel_size;
+		} else if (np_repeat == 2) { // Tile Fit.
+			// Calculate scale.
+			float src_area = draw_size - margin_begin - margin_end;
+			float dst_area = tex_size - margin_begin - margin_end;
+			float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5));
+			// Convert to ratio.
+			float ratio = (pixel - margin_begin) / src_area;
+			ratio = mod(ratio * scale, 1.0);
+			// Scale to source texture.
+			return (margin_begin + ratio * dst_area) * tex_pixel_size;
+		} else { // Shouldn't happen, but silences compiler warning.
+			return 0.0;
+		}
+	}
+}
+#endif
+
+#endif
+#endif
+
+uniform bool use_default_normal;
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+
+#ifdef USE_TEXTURE_RECT
+
+#ifdef USE_NINEPATCH
+
+	int draw_center = 2;
+#if defined USE_NINEPATCH_SCALING
+	float s_ratio = max((1.0 / color_texpixel_size.x) / abs(dst_rect.z), (1.0 / color_texpixel_size.y) / abs(dst_rect.w));
+	s_ratio = max(1.0, s_ratio);
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, s_ratio, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, s_ratio, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#else
+	uv = vec2(
+			map_ninepatch_axis(pixel_size_interp.x, abs(dst_rect.z), color_texpixel_size.x, np_margins.x, np_margins.z, np_repeat_h, draw_center),
+			map_ninepatch_axis(pixel_size_interp.y, abs(dst_rect.w), color_texpixel_size.y, np_margins.y, np_margins.w, np_repeat_v, draw_center));
+
+	if (draw_center == 0) {
+		color.a = 0.0;
+	}
+#endif
+	uv = uv * src_rect.zw + src_rect.xy; //apply region if needed
+#endif
+
+	if (clip_rect_uv) {
+		uv = clamp(uv, src_rect.xy, src_rect.xy + abs(src_rect.zw));
+	}
+
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+
+#ifdef USE_DISTANCE_FIELD
+	const float smoothing = 1.0 / 32.0;
+	float distance = textureLod(color_texture, uv, 0.0).a;
+	color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
+#else
+	color *= texture(color_texture, uv);
+
+#endif
+
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = textureLod(normal_texture, uv, 0.0).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+#ifdef DEBUG_ENCODED_32
+	highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
+	color = vec4(vec3(enc32), 1.0);
+#endif
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (mat3(inverse_light_matrix) * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+#define SHADOW_TEST(m_ofs)                                                    \
+	{                                                                         \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh));       \
+		shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
+	}
+
+#else
+
+#define SHADOW_TEST(m_ofs)                                              \
+	{                                                                   \
+		highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
+		shadow_attenuation += step(sz, sd);                             \
+	}
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+#endif
+
+	//color.rgb *= color.a;
+	frag_color = color;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_NINEPATCH_SCALING
+
+#define USE_TEXTURE_RECT
+#define USE_MATERIAL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec2 vertex;
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+layout(location = 2) in highp float light_angle;
+#endif
+
+/* clang-format on */
+layout(location = 3) in vec4 color_attrib;
+
+#ifdef USE_ATTRIB_MODULATE
+layout(location = 5) in vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+layout(location = 6) in vec2 translate_attrib; // attrib:6
+layout(location = 7) in vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#else
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(location = 4) in highp vec2 uv_attrib;
+
+// skeleton
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+layout(std140) uniform CanvasItemData { //ubo:0
+
+	highp mat4 projection_matrix;
+	highp float time;
+};
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+
+out highp vec2 uv_interp;
+out mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+flat out mediump vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform mediump vec4 final_modulate;
+#endif
+
+#ifdef USE_NINEPATCH
+
+out highp vec2 pixel_size_interp;
+#endif
+
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-4
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+#ifdef USE_LIGHTING
+
+layout(std140) uniform LightData { //ubo:1
+
+	// light matrices
+	highp mat4 light_matrix;
+	highp mat4 light_local_matrix;
+	highp mat4 shadow_matrix;
+	highp vec4 light_color;
+	highp vec4 light_shadow_color;
+	highp vec2 light_pos;
+	highp float shadowpixel_size;
+	highp float shadow_gradient;
+	highp float light_height;
+	highp float light_outside_alpha;
+	highp float shadow_distance_mult;
+};
+
+out vec4 light_uv_interp;
+out vec2 transformed_light_uv;
+
+out vec4 local_rot;
+
+#ifdef USE_SHADOWS
+out highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { //ubo:2
+int m_particles_anim_h_frames;
+int m_particles_anim_v_frames;
+bool m_particles_anim_loop;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+void main() {
+	vec4 color = color_attrib;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+	highp vec4 outvec = vec4(dst_rect.xy + abs(dst_rect.zw) * mix(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))), 0.0, 1.0);
+
+#else
+	uv_interp = uv_attrib;
+	highp vec4 outvec = vec4(vertex, 0.0, 1.0);
+#endif
+
+#ifdef USE_PARTICLES
+	//scale by texture size
+	outvec.xy /= color_texpixel_size;
+#endif
+
+#define extra_matrix extra_matrix_instance
+
+	float point_size = 1.0;
+	//for compatibility with the fragment shader we need to use uv here
+	vec2 uv = uv_interp;
+	{
+		/* clang-format off */
+	{
+		float m_h_frames=float(m_particles_anim_h_frames);
+		float m_v_frames=float(m_particles_anim_v_frames);
+		outvec.xy.xy/=vec2(m_h_frames, m_v_frames);
+		float m_particle_total_frames=float((m_particles_anim_h_frames*m_particles_anim_v_frames));
+		float m_particle_frame=floor((instance_custom.z*float(m_particle_total_frames)));
+		if (!m_particles_anim_loop)
+		{
+					{
+			m_particle_frame=clamp(m_particle_frame, 0.0, (m_particle_total_frames-1.0));
+		}
+;
+		}
+		else
+		{
+					{
+			m_particle_frame=mod(m_particle_frame, m_particle_total_frames);
+		}
+;
+		}
+		uv/=vec2(m_h_frames, m_v_frames);
+		uv+=vec2((mod(m_particle_frame, m_h_frames)/m_h_frames), (floor(((m_particle_frame+0.5)/m_h_frames))/m_v_frames));
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	uv_interp = uv;
+
+#ifdef USE_NINEPATCH
+
+	pixel_size_interp = abs(dst_rect.zw) * vertex;
+#endif
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+#undef extra_matrix
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	if (bone_weights != vec4(0.0)) { //must be a valid bone
+		//skeleton transform
+
+		ivec4 bone_indicesi = ivec4(bone_indices);
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 2);
+
+		highp mat2x4 m;
+		m = mat2x4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 2);
+
+		m += mat2x4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0)) *
+				bone_weights.w;
+
+		mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	mat3 inverse_light_matrix = mat3(inverse(light_matrix));
+	inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+	inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+	inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+	transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/70-22.shader_test b/shaders/godot3.4/70-22.shader_test
new file mode 100644
index 0000000..97bf5f9
--- /dev/null
+++ b/shaders/godot3.4/70-22.shader_test
@@ -0,0 +1,2416 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_CONTACT_SHADOWS
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_CONTACT_SHADOWS
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/70-23.shader_test b/shaders/godot3.4/70-23.shader_test
new file mode 100644
index 0000000..ee59cc6
--- /dev/null
+++ b/shaders/godot3.4/70-23.shader_test
@@ -0,0 +1,2489 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+#define ENABLE_SSS
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+float m_subsurface_scattering_strength;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_ambient_occlusion;
+uniform sampler2D m_texture_depth;
+uniform sampler2D m_texture_subsurface_scattering;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+			{
+		vec3 m_view_dir=normalize((normalize(-vertex.xyz)*mat3((tangent*m_depth_flip.x), (-binormal*m_depth_flip.y), normal)));
+		float m_num_layers=mix(float(m_depth_max_layers), float(m_depth_min_layers), abs(dot(vec3(0.0,0.0,1.0), m_view_dir)));
+		float m_layer_depth=(1.0/m_num_layers);
+		float m_current_layer_depth=0.0;
+		vec2 m_P=(m_view_dir.xy*m_depth_scale);
+		vec2 m_delta=(m_P/m_num_layers);
+		vec2 m_ofs=m_base_uv;
+		float m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+		float m_current_depth=0.0;
+		while ((m_current_depth<m_depth))
+		{
+					{
+			m_ofs-=m_delta;
+			m_depth=textureLod(m_texture_depth, m_ofs, 0.0).r;
+			m_current_depth+=m_layer_depth;
+		}
+;
+		}
+		vec2 m_prev_ofs=(m_ofs+m_delta);
+		float m_after_depth=(m_depth-m_current_depth);
+		float m_before_depth=((textureLod(m_texture_depth, m_prev_ofs, 0.0).r-m_current_depth)+m_layer_depth);
+		float m_weight=(m_after_depth/(m_after_depth-m_before_depth));
+		m_ofs=mix(m_ofs, m_prev_ofs, m_weight);
+		m_base_uv=m_ofs;
+	}
+;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+		ao=dot(texture(m_texture_ambient_occlusion, m_base_uv), m_ao_texture_channel);
+		ao_light_affect=m_ao_light_affect;
+		float m_sss_tex=texture(m_texture_subsurface_scattering, m_base_uv).r;
+		sss_strength=(m_subsurface_scattering_strength*m_sss_tex);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_MULTIPLE_RENDER_TARGETS
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+#define ENABLE_SSS
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+float m_subsurface_scattering_strength;
+float m_depth_scale;
+int m_depth_min_layers;
+int m_depth_max_layers;
+vec2 m_depth_flip;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_ambient_occlusion;
+uniform sampler2D m_texture_depth;
+uniform sampler2D m_texture_subsurface_scattering;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/70-24.shader_test b/shaders/godot3.4/70-24.shader_test
new file mode 100644
index 0000000..5739aba
--- /dev/null
+++ b/shaders/godot3.4/70-24.shader_test
@@ -0,0 +1,2443 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_roughness_texture_channel;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_roughness;
+uniform sampler2D m_texture_ambient_occlusion;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		float m_roughness_tex=dot(texture(m_texture_roughness, m_base_uv), m_roughness_texture_channel);
+		roughness=(m_roughness_tex*m_roughness);
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+		ao=dot(texture(m_texture_ambient_occlusion, m_base_uv), m_ao_texture_channel);
+		ao_light_affect=m_ao_light_affect;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_AO
+#define ENABLE_AO
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_roughness_texture_channel;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_roughness;
+uniform sampler2D m_texture_ambient_occlusion;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/73-1.shader_test b/shaders/godot3.4/73-1.shader_test
new file mode 100644
index 0000000..b734b0c
--- /dev/null
+++ b/shaders/godot3.4/73-1.shader_test
@@ -0,0 +1,3258 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/73-17.shader_test b/shaders/godot3.4/73-17.shader_test
new file mode 100644
index 0000000..6c89b0e
--- /dev/null
+++ b/shaders/godot3.4/73-17.shader_test
@@ -0,0 +1,2436 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_LAYERED
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_GI_PROBES
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		vec3 m_emission_tex=texture(m_texture_emission, m_base_uv).rgb;
+		emission=((m_emission.rgb+m_emission_tex)*m_emission_energy);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_LAYERED
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define USE_GI_PROBES
+#define LIGHT_DIRECTIONAL_SHADOW
+#define LIGHT_USE_PSSM4
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec4 m_emission;
+float m_emission_energy;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_emission;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/73-21.shader_test b/shaders/godot3.4/73-21.shader_test
new file mode 100644
index 0000000..5cdc6ed
--- /dev/null
+++ b/shaders/godot3.4/73-21.shader_test
@@ -0,0 +1,2414 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_CONTACT_SHADOWS
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_LIGHT_DIRECTIONAL
+#define USE_CONTACT_SHADOWS
+#define SHADOW_MODE_PCF_13
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/73-23.shader_test b/shaders/godot3.4/73-23.shader_test
new file mode 100644
index 0000000..0b0bb32
--- /dev/null
+++ b/shaders/godot3.4/73-23.shader_test
@@ -0,0 +1,2416 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_TOON
+#define SPECULAR_TOON
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_TOON
+#define SPECULAR_TOON
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/73-28.shader_test b/shaders/godot3.4/73-28.shader_test
new file mode 100644
index 0000000..e045981
--- /dev/null
+++ b/shaders/godot3.4/73-28.shader_test
@@ -0,0 +1,2417 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		alpha=(m_albedo.a*m_albedo_tex.a);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/73-29.shader_test b/shaders/godot3.4/73-29.shader_test
new file mode 100644
index 0000000..384db29
--- /dev/null
+++ b/shaders/godot3.4/73-29.shader_test
@@ -0,0 +1,2458 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_INSTANCING
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+#define ENABLE_INSTANCE_CUSTOM
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+int m_particles_anim_h_frames;
+int m_particles_anim_v_frames;
+bool m_particles_anim_loop;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		m_albedo_tex*=color_interp;
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		alpha=(m_albedo.a*m_albedo_tex.a);
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define USE_INSTANCING
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+#define ENABLE_INSTANCE_CUSTOM
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+int m_particles_anim_h_frames;
+int m_particles_anim_v_frames;
+bool m_particles_anim_loop;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		if (!SHADER_IS_SRGB)
+		{
+					{
+			color_interp.rgb=mix(pow(((color_interp.rgb+vec3(0.055,0.055,0.055))*(1.0/(1.0+0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb*(1.0/12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+		}
+;
+		}
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+		mat4 m_mat_world=mat4((normalize(camera_matrix[0])*length(world_transform[0])), (normalize(camera_matrix[1])*length(world_transform[0])), (normalize(camera_matrix[2])*length(world_transform[2])), world_transform[3]);
+		m_mat_world=(m_mat_world*mat4(vec4(cos(instance_custom.x), -sin(instance_custom.x), 0.0, 0.0), vec4(sin(instance_custom.x), cos(instance_custom.x), 0.0, 0.0), vec4(0.0,0.0,1.0,0.0), vec4(0.0,0.0,0.0,1.0)));
+		modelview=(camera_inverse_matrix*m_mat_world);
+		float m_h_frames=float(m_particles_anim_h_frames);
+		float m_v_frames=float(m_particles_anim_v_frames);
+		float m_particle_total_frames=float((m_particles_anim_h_frames*m_particles_anim_v_frames));
+		float m_particle_frame=floor((instance_custom.z*float(m_particle_total_frames)));
+		if (!m_particles_anim_loop)
+		{
+					{
+			m_particle_frame=clamp(m_particle_frame, 0.0, (m_particle_total_frames-1.0));
+		}
+;
+		}
+		else
+		{
+					{
+			m_particle_frame=mod(m_particle_frame, m_particle_total_frames);
+		}
+;
+		}
+		uv_interp/=vec2(m_h_frames, m_v_frames);
+		uv_interp+=vec2((mod(m_particle_frame, m_h_frames)/m_h_frames), (floor(((m_particle_frame+0.5)/m_h_frames))/m_v_frames));
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/76-19.shader_test b/shaders/godot3.4/76-19.shader_test
new file mode 100644
index 0000000..73a9cd5
--- /dev/null
+++ b/shaders/godot3.4/76-19.shader_test
@@ -0,0 +1,68 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MINIFY_START
+precision highp float;
+precision highp int;
+
+#ifdef MINIFY_START
+
+#define SDEPTH_TYPE highp sampler2D
+uniform float camera_z_far;
+/* clang-format on */
+uniform float camera_z_near;
+
+#else
+
+#define SDEPTH_TYPE mediump usampler2D
+
+#endif
+
+uniform SDEPTH_TYPE source_depth; //texunit:0
+
+uniform ivec2 from_size;
+uniform int source_mipmap;
+
+layout(location = 0) out mediump uint depth;
+
+void main() {
+	ivec2 ssP = ivec2(gl_FragCoord.xy);
+
+	// Rotated grid subsampling to avoid XY directional bias or Z precision bias while downsampling.
+	// On DX9, the bit-and can be implemented with floating-point modulo
+
+#ifdef MINIFY_START
+	float fdepth = texelFetch(source_depth, clamp(ssP * 2 + ivec2(ssP.y & 1, ssP.x & 1), ivec2(0), from_size - ivec2(1)), source_mipmap).r;
+	fdepth = fdepth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	fdepth = ((fdepth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	fdepth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - fdepth * (camera_z_far - camera_z_near));
+#endif
+	fdepth /= camera_z_far;
+	depth = uint(clamp(fdepth * 65535.0, 0.0, 65535.0));
+
+#else
+	depth = texelFetch(source_depth, clamp(ssP * 2 + ivec2(ssP.y & 1, ssP.x & 1), ivec2(0), from_size - ivec2(1)), source_mipmap).r;
+#endif
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MINIFY_START
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+
+void main() {
+	gl_Position = vertex_attrib;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/76-20.shader_test b/shaders/godot3.4/76-20.shader_test
new file mode 100644
index 0000000..14b1821
--- /dev/null
+++ b/shaders/godot3.4/76-20.shader_test
@@ -0,0 +1,2417 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_grow;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_RADIANCE_MAP_ARRAY
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define SHADELESS
+#define DO_SIDE_CHECK
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_grow;
+float m_roughness;
+float m_point_size;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+		vertex.xyz+=(normal*m_grow);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/76-28.shader_test b/shaders/godot3.4/76-28.shader_test
new file mode 100644
index 0000000..e55542b
--- /dev/null
+++ b/shaders/godot3.4/76-28.shader_test
@@ -0,0 +1,3260 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define FOG_DEPTH_ENABLED
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define FOG_DEPTH_ENABLED
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/79-1.shader_test b/shaders/godot3.4/79-1.shader_test
new file mode 100644
index 0000000..90eb280
--- /dev/null
+++ b/shaders/godot3.4/79-1.shader_test
@@ -0,0 +1,3248 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define SHADELESS
+#define ENABLE_COLOR_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform bool m_orthogonal;
+uniform highp float m_grid_size;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	albedo = color_interp.rgb;
+	vec3 m_dir = (m_orthogonal ? -vec3(0.0,0.0,1.0) : view);
+	float m_angle_fade = abs(dot(m_dir, normal));
+	m_angle_fade = smoothstep(0.05, 0.2, m_angle_fade);
+	vec3 m_world_pos = (camera_matrix * vec4(vertex.xyz, 1.0)).xyz;
+	vec3 m_world_normal = (camera_matrix * vec4(normal, 0.0)).xyz;
+	vec3 m_camera_world_pos = camera_matrix[3].xyz;
+	vec3 m_camera_world_pos_on_plane = (m_camera_world_pos * (1.0 - m_world_normal));
+	float m_dist_fade = (1.0 - (distance(m_world_pos, m_camera_world_pos_on_plane) / m_grid_size));
+	m_dist_fade = smoothstep(0.02, 0.3, m_dist_fade);
+	alpha = ((color_interp.a * m_dist_fade) * m_angle_fade);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define SHADELESS
+#define ENABLE_COLOR_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform bool m_orthogonal;
+uniform highp float m_grid_size;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/79-10.shader_test b/shaders/godot3.4/79-10.shader_test
new file mode 100644
index 0000000..f362036
--- /dev/null
+++ b/shaders/godot3.4/79-10.shader_test
@@ -0,0 +1,3248 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define SHADELESS
+#define ENABLE_COLOR_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_grid_size;
+uniform bool m_orthogonal;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	albedo = color_interp.rgb;
+	vec3 m_dir = (m_orthogonal ? -vec3(0.0,0.0,1.0) : view);
+	float m_angle_fade = abs(dot(m_dir, normal));
+	m_angle_fade = smoothstep(0.05, 0.2, m_angle_fade);
+	vec3 m_world_pos = (camera_matrix * vec4(vertex.xyz, 1.0)).xyz;
+	vec3 m_world_normal = (camera_matrix * vec4(normal, 0.0)).xyz;
+	vec3 m_camera_world_pos = camera_matrix[3].xyz;
+	vec3 m_camera_world_pos_on_plane = (m_camera_world_pos * (1.0 - m_world_normal));
+	float m_dist_fade = (1.0 - (distance(m_world_pos, m_camera_world_pos_on_plane) / m_grid_size));
+	m_dist_fade = smoothstep(0.02, 0.3, m_dist_fade);
+	alpha = ((color_interp.a * m_dist_fade) * m_angle_fade);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define SHADELESS
+#define ENABLE_COLOR_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_grid_size;
+uniform bool m_orthogonal;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/79-19.shader_test b/shaders/godot3.4/79-19.shader_test
new file mode 100644
index 0000000..35baa4f
--- /dev/null
+++ b/shaders/godot3.4/79-19.shader_test
@@ -0,0 +1,66 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+#ifdef MINIFY_START
+
+#define SDEPTH_TYPE highp sampler2D
+uniform float camera_z_far;
+/* clang-format on */
+uniform float camera_z_near;
+
+#else
+
+#define SDEPTH_TYPE mediump usampler2D
+
+#endif
+
+uniform SDEPTH_TYPE source_depth; //texunit:0
+
+uniform ivec2 from_size;
+uniform int source_mipmap;
+
+layout(location = 0) out mediump uint depth;
+
+void main() {
+	ivec2 ssP = ivec2(gl_FragCoord.xy);
+
+	// Rotated grid subsampling to avoid XY directional bias or Z precision bias while downsampling.
+	// On DX9, the bit-and can be implemented with floating-point modulo
+
+#ifdef MINIFY_START
+	float fdepth = texelFetch(source_depth, clamp(ssP * 2 + ivec2(ssP.y & 1, ssP.x & 1), ivec2(0), from_size - ivec2(1)), source_mipmap).r;
+	fdepth = fdepth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	fdepth = ((fdepth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	fdepth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - fdepth * (camera_z_far - camera_z_near));
+#endif
+	fdepth /= camera_z_far;
+	depth = uint(clamp(fdepth * 65535.0, 0.0, 65535.0));
+
+#else
+	depth = texelFetch(source_depth, clamp(ssP * 2 + ivec2(ssP.y & 1, ssP.x & 1), ivec2(0), from_size - ivec2(1)), source_mipmap).r;
+#endif
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+
+void main() {
+	gl_Position = vertex_attrib;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/79-28.shader_test b/shaders/godot3.4/79-28.shader_test
new file mode 100644
index 0000000..8ba800b
--- /dev/null
+++ b/shaders/godot3.4/79-28.shader_test
@@ -0,0 +1,3270 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define FOG_DEPTH_ENABLED
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	vec2 m_base_uv = uv_interp;
+	vec4 m_albedo_tex = texture2D(m_texture_albedo, m_base_uv);
+	m_albedo_tex *= color_interp;
+	albedo = (m_albedo.rgb * m_albedo_tex.rgb);
+	metallic = m_metallic;
+	roughness = m_roughness;
+	specular = m_specular;
+	alpha = (m_albedo.a * m_albedo_tex.a);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define FOG_DEPTH_ENABLED
+#define SHADELESS
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define ENABLE_COLOR_INTERP
+#define ENABLE_UV_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_roughness;
+uniform highp vec4 m_albedo;
+uniform highp float m_specular;
+uniform highp float m_metallic;
+uniform highp float m_point_size;
+uniform highp vec3 m_uv1_scale;
+uniform highp vec3 m_uv1_offset;
+uniform highp vec3 m_uv2_scale;
+uniform highp vec3 m_uv2_offset;
+uniform highp sampler2D m_texture_albedo;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+	uv_interp = ((uv_interp * m_uv1_scale.xy) + m_uv1_offset.xy);
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/82-19.shader_test b/shaders/godot3.4/82-19.shader_test
new file mode 100644
index 0000000..0d90381
--- /dev/null
+++ b/shaders/godot3.4/82-19.shader_test
@@ -0,0 +1,290 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define SSAO_QUALITY_HIGH
+precision highp float;
+precision highp int;
+
+#define TWO_PI 6.283185307179586476925286766559
+
+#ifdef SSAO_QUALITY_HIGH
+#define NUM_SAMPLES (16)
+#endif
+
+#ifdef SSAO_QUALITY_LOW
+#define NUM_SAMPLES (8)
+#endif
+
+#if !defined(SSAO_QUALITY_LOW) && !defined(SSAO_QUALITY_HIGH)
+#define NUM_SAMPLES (12)
+#endif
+
+// If using depth mip levels, the log of the maximum pixel offset before we need to switch to a lower
+// miplevel to maintain reasonable spatial locality in the cache
+// If this number is too small (< 3), too many taps will land in the same pixel, and we'll get bad variance that manifests as flashing.
+// If it is too high (> 5), we'll get bad performance because we're not using the MIP levels effectively
+#define LOG_MAX_OFFSET (3)
+
+// This must be less than or equal to the MAX_MIP_LEVEL defined in SSAO.cpp
+#define MAX_MIP_LEVEL (4)
+
+// This is the number of turns around the circle that the spiral pattern makes.  This should be prime to prevent
+// taps from lining up.  This particular choice was tuned for NUM_SAMPLES == 9
+
+const int ROTATIONS[] = int[](
+		1, 1, 2, 3, 2, 5, 2, 3, 2,
+		3, 3, 5, 5, 3, 4, 7, 5, 5, 7,
+		9, 8, 5, 5, 7, 7, 7, 8, 5, 8,
+		11, 12, 7, 10, 13, 8, 11, 8, 7, 14,
+		11, 11, 13, 12, 13, 19, 17, 13, 11, 18,
+		19, 11, 11, 14, 17, 21, 15, 16, 17, 18,
+		13, 17, 11, 17, 19, 18, 25, 18, 19, 19,
+		29, 21, 19, 27, 31, 29, 21, 18, 17, 29,
+		31, 31, 23, 18, 25, 26, 25, 23, 19, 34,
+		19, 27, 21, 25, 39, 29, 17, 21, 27);
+/* clang-format on */
+
+//#define NUM_SPIRAL_TURNS (7)
+const int NUM_SPIRAL_TURNS = ROTATIONS[NUM_SAMPLES - 1];
+
+uniform sampler2D source_depth; //texunit:0
+uniform highp usampler2D source_depth_mipmaps; //texunit:1
+uniform sampler2D source_normal; //texunit:2
+
+uniform ivec2 screen_size;
+uniform float camera_z_far;
+uniform float camera_z_near;
+
+uniform float intensity_div_r6;
+uniform float radius;
+
+#ifdef ENABLE_RADIUS2
+uniform float intensity_div_r62;
+uniform float radius2;
+#endif
+
+uniform float bias;
+uniform float proj_scale;
+
+layout(location = 0) out float visibility;
+
+uniform vec4 proj_info;
+
+vec3 reconstructCSPosition(vec2 S, float z) {
+#ifdef USE_ORTHOGONAL_PROJECTION
+	return vec3((S.xy * proj_info.xy + proj_info.zw), z);
+#else
+	return vec3((S.xy * proj_info.xy + proj_info.zw) * z, z);
+
+#endif
+}
+
+vec3 getPosition(ivec2 ssP) {
+	vec3 P;
+	P.z = texelFetch(source_depth, ssP, 0).r;
+
+	P.z = P.z * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	P.z = ((P.z + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	P.z = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - P.z * (camera_z_far - camera_z_near));
+#endif
+	P.z = -P.z;
+
+	// Offset to pixel center
+	P = reconstructCSPosition(vec2(ssP) + vec2(0.5), P.z);
+	return P;
+}
+
+/** Reconstructs screen-space unit normal from screen-space position */
+vec3 reconstructCSFaceNormal(vec3 C) {
+	return normalize(cross(dFdy(C), dFdx(C)));
+}
+
+/** Returns a unit vector and a screen-space radius for the tap on a unit disk (the caller should scale by the actual disk radius) */
+vec2 tapLocation(int sampleNumber, float spinAngle, out float ssR) {
+	// Radius relative to ssR
+	float alpha = (float(sampleNumber) + 0.5) * (1.0 / float(NUM_SAMPLES));
+	float angle = alpha * (float(NUM_SPIRAL_TURNS) * 6.28) + spinAngle;
+
+	ssR = alpha;
+	return vec2(cos(angle), sin(angle));
+}
+
+/** Read the camera-space position of the point at screen-space pixel ssP + unitOffset * ssR.  Assumes length(unitOffset) == 1 */
+vec3 getOffsetPosition(ivec2 ssC, vec2 unitOffset, float ssR) {
+	// Derivation:
+	//  mipLevel = floor(log(ssR / MAX_OFFSET));
+	int mipLevel = clamp(int(floor(log2(ssR))) - LOG_MAX_OFFSET, 0, MAX_MIP_LEVEL);
+
+	ivec2 ssP = ivec2(ssR * unitOffset) + ssC;
+
+	vec3 P;
+
+	// We need to divide by 2^mipLevel to read the appropriately scaled coordinate from a MIP-map.
+	// Manually clamp to the texture size because texelFetch bypasses the texture unit
+	ivec2 mipP = clamp(ssP >> mipLevel, ivec2(0), (screen_size >> mipLevel) - ivec2(1));
+
+	if (mipLevel < 1) {
+		//read from depth buffer
+		P.z = texelFetch(source_depth, mipP, 0).r;
+		P.z = P.z * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		P.z = ((P.z + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		P.z = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - P.z * (camera_z_far - camera_z_near));
+#endif
+		P.z = -P.z;
+
+	} else {
+		//read from mipmaps
+		uint d = texelFetch(source_depth_mipmaps, mipP, mipLevel - 1).r;
+		P.z = -(float(d) / 65535.0) * camera_z_far;
+	}
+
+	// Offset to pixel center
+	P = reconstructCSPosition(vec2(ssP) + vec2(0.5), P.z);
+
+	return P;
+}
+
+/** Compute the occlusion due to sample with index \a i about the pixel at \a ssC that corresponds
+	to camera-space point \a C with unit normal \a n_C, using maximum screen-space sampling radius \a ssDiskRadius
+
+	Note that units of H() in the HPG12 paper are meters, not
+	unitless.  The whole falloff/sampling function is therefore
+	unitless.  In this implementation, we factor out (9 / radius).
+
+	Four versions of the falloff function are implemented below
+*/
+float sampleAO(in ivec2 ssC, in vec3 C, in vec3 n_C, in float ssDiskRadius, in float p_radius, in int tapIndex, in float randomPatternRotationAngle) {
+	// Offset on the unit disk, spun for this pixel
+	float ssR;
+	vec2 unitOffset = tapLocation(tapIndex, randomPatternRotationAngle, ssR);
+	ssR *= ssDiskRadius;
+
+	// The occluding point in camera space
+	vec3 Q = getOffsetPosition(ssC, unitOffset, ssR);
+
+	vec3 v = Q - C;
+
+	float vv = dot(v, v);
+	float vn = dot(v, n_C);
+
+	const float epsilon = 0.01;
+	float radius2 = p_radius * p_radius;
+
+	// A: From the HPG12 paper
+	// Note large epsilon to avoid overdarkening within cracks
+	//return float(vv < radius2) * max((vn - bias) / (epsilon + vv), 0.0) * radius2 * 0.6;
+
+	// B: Smoother transition to zero (lowers contrast, smoothing out corners). [Recommended]
+	float f = max(radius2 - vv, 0.0);
+	return f * f * f * max((vn - bias) / (epsilon + vv), 0.0);
+
+	// C: Medium contrast (which looks better at high radii), no division.  Note that the
+	// contribution still falls off with radius^2, but we've adjusted the rate in a way that is
+	// more computationally efficient and happens to be aesthetically pleasing.
+	// return 4.0 * max(1.0 - vv * invRadius2, 0.0) * max(vn - bias, 0.0);
+
+	// D: Low contrast, no division operation
+	// return 2.0 * float(vv < radius * radius) * max(vn - bias, 0.0);
+}
+
+void main() {
+	// Pixel being shaded
+	ivec2 ssC = ivec2(gl_FragCoord.xy);
+
+	// World space point being shaded
+	vec3 C = getPosition(ssC);
+
+	/*
+	if (C.z <= -camera_z_far * 0.999) {
+		// We're on the skybox
+		visibility=1.0;
+		return;
+	}
+	*/
+
+	//visibility = -C.z / camera_z_far;
+	//return;
+#if 0
+	vec3 n_C = texelFetch(source_normal, ssC, 0).rgb * 2.0 - 1.0;
+#else
+	vec3 n_C = reconstructCSFaceNormal(C);
+	n_C = -n_C;
+#endif
+
+	// Hash function used in the HPG12 AlchemyAO paper
+	float randomPatternRotationAngle = mod(float((3 * ssC.x ^ ssC.y + ssC.x * ssC.y) * 10), TWO_PI);
+
+	// Reconstruct normals from positions. These will lead to 1-pixel black lines
+	// at depth discontinuities, however the blur will wipe those out so they are not visible
+	// in the final image.
+
+	// Choose the screen-space sample radius
+	// proportional to the projected area of the sphere
+#ifdef USE_ORTHOGONAL_PROJECTION
+	float ssDiskRadius = -proj_scale * radius;
+#else
+	float ssDiskRadius = -proj_scale * radius / C.z;
+#endif
+	float sum = 0.0;
+	for (int i = 0; i < NUM_SAMPLES; ++i) {
+		sum += sampleAO(ssC, C, n_C, ssDiskRadius, radius, i, randomPatternRotationAngle);
+	}
+
+	float A = max(0.0, 1.0 - sum * intensity_div_r6 * (5.0 / float(NUM_SAMPLES)));
+
+#ifdef ENABLE_RADIUS2
+
+	//go again for radius2
+	randomPatternRotationAngle = mod(float((5 * ssC.x ^ ssC.y + ssC.x * ssC.y) * 11), TWO_PI);
+
+	// Reconstruct normals from positions. These will lead to 1-pixel black lines
+	// at depth discontinuities, however the blur will wipe those out so they are not visible
+	// in the final image.
+
+	// Choose the screen-space sample radius
+	// proportional to the projected area of the sphere
+	ssDiskRadius = -proj_scale * radius2 / C.z;
+
+	sum = 0.0;
+	for (int i = 0; i < NUM_SAMPLES; ++i) {
+		sum += sampleAO(ssC, C, n_C, ssDiskRadius, radius2, i, randomPatternRotationAngle);
+	}
+
+	A = min(A, max(0.0, 1.0 - sum * intensity_div_r62 * (5.0 / float(NUM_SAMPLES))));
+#endif
+	// Bilateral box-filter over a quad for free, respecting depth edges
+	// (the difference that this makes is subtle)
+	if (abs(dFdx(C.z)) < 0.02) {
+		A -= dFdx(A) * (float(ssC.x & 1) - 0.5);
+	}
+	if (abs(dFdy(C.z)) < 0.02) {
+		A -= dFdy(A) * (float(ssC.y & 1) - 0.5);
+	}
+
+	visibility = A;
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define SSAO_QUALITY_HIGH
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+
+void main() {
+	gl_Position = vertex_attrib;
+	gl_Position.z = 1.0;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/82-28.shader_test b/shaders/godot3.4/82-28.shader_test
new file mode 100644
index 0000000..3f6759f
--- /dev/null
+++ b/shaders/godot3.4/82-28.shader_test
@@ -0,0 +1,3250 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define FOG_DEPTH_ENABLED
+#define SHADELESS
+#define ENABLE_COLOR_INTERP
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+uniform highp float m_grid_size;
+uniform bool m_orthogonal;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+{
+	albedo = color_interp.rgb;
+	vec3 m_dir = (m_orthogonal ? -vec3(0.0,0.0,1.0) : view);
+	float m_angle_fade = abs(dot(m_dir, normal));
+	m_angle_fade = smoothstep(0.05, 0.2, m_angle_fade);
+	vec3 m_world_pos = (camera_matrix * vec4(vertex.xyz, 1.0)).xyz;
+	vec3 m_world_normal = (camera_matrix * vec4(normal, 0.0)).xyz;
+	vec3 m_camera_world_pos = camera_matrix[3].xyz;
+	vec3 m_camera_world_pos_on_plane = (m_camera_world_pos * (1.0 - m_world_normal));
+	float m_dist_fade = (1.0 - (distance(m_world_pos, m_camera_world_pos_on_plane) / m_grid_size));
+	m_dist_fade = smoothstep(0.02, 0.3, m_dist_fade);
+	alpha = ((color_interp.a * m_dist_fade) * m_angle_fade);
+}
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define ENABLE_OCTAHEDRAL_COMPRESSION
+#define FOG_DEPTH_ENABLED
+#define SHADELESS
+#define ENABLE_COLOR_INTERP
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+uniform highp float m_grid_size;
+uniform bool m_orthogonal;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+{
+	if (!SHADER_IS_SRGB)
+	{
+			{
+		color_interp.rgb = select3(pow(((color_interp.rgb + vec3(0.055,0.055,0.055)) * (1.0 / (1.0 + 0.055))), vec3(2.4,2.4,2.4)), (color_interp.rgb * (1.0 / 12.92)), lessThan(color_interp.rgb, vec3(0.04045,0.04045,0.04045)));
+	}
+;
+	}
+}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/85-19.shader_test b/shaders/godot3.4/85-19.shader_test
new file mode 100644
index 0000000..822dd60
--- /dev/null
+++ b/shaders/godot3.4/85-19.shader_test
@@ -0,0 +1,128 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+uniform sampler2D source_ssao; //texunit:0
+/* clang-format on */
+uniform sampler2D source_depth; //texunit:1
+uniform sampler2D source_normal; //texunit:3
+
+layout(location = 0) out float visibility;
+
+//////////////////////////////////////////////////////////////////////////////////////////////
+// Tunable Parameters:
+
+/** Increase to make depth edges crisper. Decrease to reduce flicker. */
+uniform float edge_sharpness;
+
+/** Step in 2-pixel intervals since we already blurred against neighbors in the
+	first AO pass.  This constant can be increased while R decreases to improve
+	performance at the expense of some dithering artifacts.
+
+	Morgan found that a scale of 3 left a 1-pixel checkerboard grid that was
+	unobjectionable after shading was applied but eliminated most temporal incoherence
+	from using small numbers of sample taps.
+	*/
+
+uniform int filter_scale;
+
+/** Filter radius in pixels. This will be multiplied by SCALE. */
+#define R (4)
+
+//////////////////////////////////////////////////////////////////////////////////////////////
+
+// Gaussian coefficients
+const float gaussian[R + 1] =
+		//float[](0.356642, 0.239400, 0.072410, 0.009869);
+		//float[](0.398943, 0.241971, 0.053991, 0.004432, 0.000134);  // stddev = 1.0
+		float[](0.153170, 0.144893, 0.122649, 0.092902, 0.062970); // stddev = 2.0
+//float[](0.111220, 0.107798, 0.098151, 0.083953, 0.067458, 0.050920, 0.036108); // stddev = 3.0
+
+/** (1, 0) or (0, 1) */
+uniform ivec2 axis;
+
+uniform float camera_z_far;
+uniform float camera_z_near;
+
+uniform ivec2 screen_size;
+
+void main() {
+	ivec2 ssC = ivec2(gl_FragCoord.xy);
+
+	float depth = texelFetch(source_depth, ssC, 0).r;
+	//vec3 normal = texelFetch(source_normal, ssC, 0).rgb * 2.0 - 1.0;
+
+	depth = depth * 2.0 - 1.0;
+	depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near));
+
+	float depth_divide = 1.0 / camera_z_far;
+
+	//depth *= depth_divide;
+
+	/*
+	if (depth > camera_z_far * 0.999) {
+		discard; //skybox
+	}
+	*/
+
+	float sum = texelFetch(source_ssao, ssC, 0).r;
+
+	// Base weight for depth falloff.  Increase this for more blurriness,
+	// decrease it for better edge discrimination
+	float BASE = gaussian[0];
+	float totalWeight = BASE;
+	sum *= totalWeight;
+
+	ivec2 clamp_limit = screen_size - ivec2(1);
+
+	for (int r = -R; r <= R; ++r) {
+		// We already handled the zero case above.  This loop should be unrolled and the static branch optimized out,
+		// so the IF statement has no runtime cost
+		if (r != 0) {
+			ivec2 ppos = ssC + axis * (r * filter_scale);
+			float value = texelFetch(source_ssao, clamp(ppos, ivec2(0), clamp_limit), 0).r;
+			ivec2 rpos = clamp(ppos, ivec2(0), clamp_limit);
+			float temp_depth = texelFetch(source_depth, rpos, 0).r;
+			//vec3 temp_normal = texelFetch(source_normal, rpos, 0).rgb * 2.0 - 1.0;
+
+			temp_depth = temp_depth * 2.0 - 1.0;
+			temp_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - temp_depth * (camera_z_far - camera_z_near));
+			//temp_depth *= depth_divide;
+
+			// spatial domain: offset gaussian tap
+			float weight = 0.3 + gaussian[abs(r)];
+			//weight *= max(0.0, dot(temp_normal, normal));
+
+			// range domain (the "bilateral" weight). As depth difference increases, decrease weight.
+			weight *= max(0.0, 1.0 - edge_sharpness * abs(temp_depth - depth));
+
+			sum += value * weight;
+			totalWeight += weight;
+		}
+	}
+
+	const float epsilon = 0.0001;
+	visibility = sum / (totalWeight + epsilon);
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+
+void main() {
+	gl_Position = vertex_attrib;
+	gl_Position.z = 1.0;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/85-20.shader_test b/shaders/godot3.4/85-20.shader_test
new file mode 100644
index 0000000..b050c92
--- /dev/null
+++ b/shaders/godot3.4/85-20.shader_test
@@ -0,0 +1,2461 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define SCREEN_UV_USED
+#define SCREEN_TEXTURE_USED
+#define ENABLE_AO
+#define ENABLE_AO
+precision highp float;
+precision highp int;
+
+
+/* texture unit usage, N is max_texture_unity-N
+
+1-skeleton
+2-radiance
+3-reflection_atlas
+4-directional_shadow
+5-shadow_atlas
+6-decal_atlas
+7-screen
+8-depth
+9-probe1
+10-probe2
+
+*/
+
+uniform highp mat4 world_transform;
+/* clang-format on */
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB false
+
+/* Varyings */
+
+#if defined(ENABLE_COLOR_INTERP)
+in vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+in vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+in vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+in vec3 tangent_interp;
+in vec3 binormal_interp;
+#endif
+
+in highp vec3 vertex_interp;
+in vec3 normal_interp;
+
+/* PBR CHANNELS */
+
+#ifdef USE_RADIANCE_MAP
+
+layout(std140) uniform Radiance { // ubo:2
+
+	mat4 radiance_inverse_xform;
+	float radiance_ambient_contribution;
+};
+
+#define RADIANCE_MAX_LOD 5.0
+
+uniform sampler2D irradiance_map; // texunit:-6
+
+#ifdef USE_RADIANCE_MAP_ARRAY
+
+uniform sampler2DArray radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2DArray p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+
+	// we need to lie the derivatives (normg) and assume that DP side is always the same
+	// to get proper texture filtering
+	vec2 normg = norm.xy;
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+
+	// thanks to OpenGL spec using floor(layer + 0.5) for texture arrays,
+	// it's easy to have precision errors using fract() to interpolate layers
+	// as such, using fixed point to ensure it works.
+
+	float index = p_roughness * RADIANCE_MAX_LOD;
+	int indexi = int(index * 256.0);
+	vec3 base = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256)), dFdx(normg), dFdy(normg)).xyz;
+	vec3 next = textureGrad(p_tex, vec3(norm.xy, float(indexi / 256 + 1)), dFdx(normg), dFdy(normg)).xyz;
+	return mix(base, next, float(indexi % 256) / 256.0);
+}
+
+#else
+
+uniform sampler2D radiance_map; // texunit:-2
+
+vec3 textureDualParaboloid(sampler2D p_tex, vec3 p_vec, float p_roughness) {
+	vec3 norm = normalize(p_vec);
+	norm.xy /= 1.0 + abs(norm.z);
+	norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+	if (norm.z > 0.0) {
+		norm.y = 0.5 - norm.y + 0.5;
+	}
+	return textureLod(p_tex, norm.xy, p_roughness * RADIANCE_MAX_LOD).xyz;
+}
+
+#endif
+
+#endif
+
+/* Material Uniforms */
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData {
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_refraction;
+vec4 m_refraction_texture_channel;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+layout(std140) uniform SceneData {
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_ambient_occlusion;
+uniform sampler2D m_texture_refraction;
+
+
+/* clang-format on */
+
+//directional light data
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+uniform highp sampler2DShadow directional_shadow; // texunit:-4
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+in vec4 diffuse_light_interp;
+in vec4 specular_light_interp;
+#endif
+// omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { // ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { // ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+uniform highp sampler2DShadow shadow_atlas; // texunit:-5
+
+struct ReflectionData {
+	mediump vec4 box_extents;
+	mediump vec4 box_offset;
+	mediump vec4 params; // intensity, 0, interior , boxproject
+	mediump vec4 ambient; // ambient color, energy
+	mediump vec4 atlas_clamp;
+	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	// notes: for ambientblend, use distance to edge to blend between already existing global environment
+};
+
+layout(std140) uniform ReflectionProbeData { //ubo:6
+
+	ReflectionData reflections[MAX_REFLECTION_DATA_STRUCTS];
+};
+uniform mediump sampler2D reflection_atlas; // texunit:-3
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+uniform int reflection_indices[MAX_FORWARD_LIGHTS];
+uniform int reflection_count;
+
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+
+uniform highp sampler2D screen_texture; // texunit:-7
+
+#endif
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+layout(location = 0) out vec4 diffuse_buffer;
+layout(location = 1) out vec4 specular_buffer;
+layout(location = 2) out vec4 normal_mr_buffer;
+#if defined(ENABLE_SSS)
+layout(location = 3) out float sss_buffer;
+#endif
+
+#else
+
+layout(location = 0) out vec4 frag_color;
+
+#endif
+
+in highp vec4 position_interp;
+uniform highp sampler2D depth_buffer; // texunit:-8
+
+#ifdef USE_CONTACT_SHADOWS
+
+float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
+	if (abs(dir.z) > 0.99)
+		return 1.0;
+
+	vec3 endpoint = pos + dir * max_distance;
+	vec4 source = position_interp;
+	vec4 dest = projection_matrix * vec4(endpoint, 1.0);
+
+	vec2 from_screen = (source.xy / source.w) * 0.5 + 0.5;
+	vec2 to_screen = (dest.xy / dest.w) * 0.5 + 0.5;
+
+	vec2 screen_rel = to_screen - from_screen;
+
+	if (length(screen_rel) < 0.00001)
+		return 1.0; // too small, don't do anything
+
+	/*
+	float pixel_size; // approximate pixel size
+
+	if (screen_rel.x > screen_rel.y) {
+
+		pixel_size = abs((pos.x - endpoint.x) / (screen_rel.x / screen_pixel_size.x));
+	} else {
+		pixel_size = abs((pos.y - endpoint.y) / (screen_rel.y / screen_pixel_size.y));
+	}
+	*/
+	vec4 bias = projection_matrix * vec4(pos + vec3(0.0, 0.0, max_distance * 0.5), 1.0);
+
+	vec2 pixel_incr = normalize(screen_rel) * screen_pixel_size;
+
+	float steps = length(screen_rel) / length(pixel_incr);
+	steps = min(2000.0, steps); // put a limit to avoid freezing in some strange situation
+	//steps = 10.0;
+
+	vec4 incr = (dest - source) / steps;
+	float ratio = 0.0;
+	float ratio_incr = 1.0 / steps;
+
+	while (steps > 0.0) {
+		source += incr * 2.0;
+		bias += incr * 2.0;
+
+		vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
+		if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
+			float depth = texture(depth_buffer, uv_depth.xy).r;
+
+			if (depth < uv_depth.z) {
+				if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
+					return min(pow(ratio, 4.0), 1.0);
+				} else {
+					return 1.0;
+				}
+			}
+
+			ratio += ratio_incr;
+			steps -= 1.0;
+		} else {
+			return 1.0;
+		}
+	}
+
+	return 1.0;
+}
+
+#endif
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001);
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely
+
+		// D
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = blinn;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); // Normalized NDF and Geometric term
+		float intensity = phong;
+
+		specular_light += light_color * intensity * specular_blob_intensity * attenuation * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+		diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
+		float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		vec3 specular_brdf_NL = cNdotL * D * F * G;
+
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+float sample_shadow(highp sampler2DShadow shadow, vec2 shadow_pixel_size, vec2 pos, float depth, vec4 clamp_rect) {
+#ifdef SHADOW_MODE_PCF_13
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0));
+	return avg * (1.0 / 13.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	float avg = textureProj(shadow, vec4(pos, depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0));
+	avg += textureProj(shadow, vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0));
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return textureProj(shadow, vec4(pos, depth, 1.0));
+
+#endif
+}
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+in highp float dp_clip;
+
+#endif
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	float omni_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w);
+#else
+		omni_attenuation = pow(1.0 - normalized_distance, omni_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		omni_attenuation = 0.0;
+	}
+	vec3 light_attenuation = vec3(omni_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (omni_lights[idx].light_params.w > 0.5) {
+		// there is a shadowmap
+
+		highp vec3 splane = (omni_lights[idx].shadow_matrix * vec4(vertex, 1.0)).xyz;
+		float shadow_len = length(splane);
+		splane = normalize(splane);
+		vec4 clamp_rect = omni_lights[idx].light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+
+		} else {
+			splane.z = 1.0 - splane.z;
+
+			/*
+			if (clamp_rect.z < clamp_rect.w) {
+				clamp_rect.x += clamp_rect.z;
+			} else {
+				clamp_rect.y += clamp_rect.w;
+			}
+			*/
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len * omni_lights[idx].light_pos_inv_radius.w;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, clamp_rect);
+
+#ifdef USE_CONTACT_SHADOWS
+
+		if (shadow > 0.01 && omni_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, omni_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	float spot_attenuation;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w);
+#else
+		spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
+#endif
+	} else {
+		spot_attenuation = 0.0;
+	}
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+	spot_attenuation *= 1.0 - pow(spot_rim, spot_lights[idx].light_params.x);
+	vec3 light_attenuation = vec3(spot_attenuation);
+
+#if !defined(SHADOWS_DISABLED)
+#ifdef USE_SHADOW
+	if (spot_lights[idx].light_params.w > 0.5) {
+		//there is a shadowmap
+		highp vec4 splane = (spot_lights[idx].shadow_matrix * vec4(vertex, 1.0));
+		splane.xyz /= splane.w;
+
+		float shadow = sample_shadow(shadow_atlas, shadow_atlas_pixel_size, splane.xy, splane.z, spot_lights[idx].light_clamp);
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && spot_lights[idx].shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, normalize(light_rel_vec), min(light_length, spot_lights[idx].shadow_color_contact.a));
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation *= mix(spot_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
+	}
+#endif //USE_SHADOW
+#endif //SHADOWS_DISABLED
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+}
+
+void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+	vec3 ref_vec = normalize(reflect(vertex, normal));
+	vec3 local_pos = (reflections[idx].local_matrix * vec4(vertex, 1.0)).xyz;
+	vec3 box_extents = reflections[idx].box_extents.xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	//make blend more rounded
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	if (reflections[idx].params.x > 0.0) { // compute reflection
+
+		vec3 local_ref_vec = (reflections[idx].local_matrix * vec4(ref_vec, 0.0)).xyz;
+
+		if (reflections[idx].params.w > 0.5) { //box project
+
+			vec3 nrdir = normalize(local_ref_vec);
+			vec3 rbmax = (box_extents - local_pos) / nrdir;
+			vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+			vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0)));
+
+			float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+			vec3 posonbox = local_pos + nrdir * fa;
+			local_ref_vec = posonbox - reflections[idx].box_offset.xyz;
+		}
+
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+		vec3 norm = normalize(local_ref_vec);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec2 atlas_uv = norm.xy * clamp_rect.zw + clamp_rect.xy;
+		atlas_uv = clamp(atlas_uv, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 reflection;
+		reflection.rgb = textureLod(reflection_atlas, atlas_uv, roughness * 5.0).rgb;
+
+		if (reflections[idx].params.z < 0.5) {
+			reflection.rgb = mix(skybox, reflection.rgb, blend);
+		}
+		reflection.rgb *= reflections[idx].params.x;
+		reflection.a = blend;
+		reflection.rgb *= reflection.a;
+
+		reflection_accum += reflection;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (reflections[idx].ambient.a > 0.0) { //compute ambient using skybox
+
+		vec3 local_amb_vec = (reflections[idx].local_matrix * vec4(normal, 0.0)).xyz;
+
+		vec3 splane = normalize(local_amb_vec);
+		vec4 clamp_rect = reflections[idx].atlas_clamp;
+
+		splane.z *= -1.0;
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+			splane.y = -splane.y;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+
+		splane.xy = splane.xy * clamp_rect.zw + clamp_rect.xy;
+		splane.xy = clamp(splane.xy, clamp_rect.xy, clamp_rect.xy + clamp_rect.zw);
+
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = textureLod(reflection_atlas, splane.xy, 5.0).rgb;
+		ambient_out.rgb = mix(reflections[idx].ambient.rgb, ambient_out.rgb, reflections[idx].ambient.a);
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	} else {
+		highp vec4 ambient_out;
+		ambient_out.a = blend;
+		ambient_out.rgb = reflections[idx].ambient.rgb;
+		if (reflections[idx].params.z < 0.5) {
+			ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+		}
+		ambient_out.rgb *= ambient_out.a;
+		ambient_accum += ambient_out;
+	}
+#endif
+}
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+uniform mediump sampler2DArray lightmap; //texunit:-9
+uniform int lightmap_layer;
+#else
+uniform mediump sampler2D lightmap; //texunit:-9
+#endif
+
+uniform mediump float lightmap_energy;
+
+#ifdef USE_LIGHTMAP_FILTER_BICUBIC
+uniform vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, p0) + g1x * texture(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture(tex, p2) + g1x * texture(tex, p3)));
+}
+
+vec4 textureArray_bicubic(sampler2DArray tex, vec3 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv.xy = uv.xy * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv.xy);
+	vec2 fuv = fract(uv.xy);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture(tex, vec3(p0, uv.z)) + g1x * texture(tex, vec3(p1, uv.z)))) +
+			(g1(fuv.y) * (g0x * texture(tex, vec3(p2, uv.z)) + g1x * texture(tex, vec3(p3, uv.z))));
+}
+
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture_bicubic(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) textureArray_bicubic(m_tex, m_uv)
+
+#else //!USE_LIGHTMAP_FILTER_BICUBIC
+#define LIGHTMAP_TEXTURE_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+#define LIGHTMAP_TEXTURE_LAYERED_SAMPLE(m_tex, m_uv) texture(m_tex, m_uv)
+
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4[12] lightmap_captures;
+#endif
+
+#ifdef USE_GI_PROBES
+
+uniform mediump sampler3D gi_probe1; //texunit:-9
+uniform highp mat4 gi_probe_xform1;
+uniform highp vec3 gi_probe_bounds1;
+uniform highp vec3 gi_probe_cell_size1;
+uniform highp float gi_probe_multiplier1;
+uniform highp float gi_probe_bias1;
+uniform highp float gi_probe_normal_bias1;
+uniform bool gi_probe_blend_ambient1;
+
+uniform mediump sampler3D gi_probe2; //texunit:-10
+uniform highp mat4 gi_probe_xform2;
+uniform highp vec3 gi_probe_bounds2;
+uniform highp vec3 gi_probe_cell_size2;
+uniform highp float gi_probe_multiplier2;
+uniform highp float gi_probe_bias2;
+uniform highp float gi_probe_normal_bias2;
+uniform bool gi_probe2_enabled;
+uniform bool gi_probe_blend_ambient2;
+
+vec3 voxel_cone_trace(mediump sampler3D probe, vec3 cell_size, vec3 pos, vec3 ambient, bool blend_ambient, vec3 direction, float tan_half_angle, float max_distance, float p_bias) {
+	float dist = p_bias; //1.0; //dot(direction,mix(vec3(-1.0),vec3(1.0),greaterThan(direction,vec3(0.0))))*2.0;
+	float alpha = 0.0;
+	vec3 color = vec3(0.0);
+
+	while (dist < max_distance && alpha < 0.95) {
+		float diameter = max(1.0, 2.0 * tan_half_angle * dist);
+		vec4 scolor = textureLod(probe, (pos + dist * direction) * cell_size, log2(diameter));
+		float a = (1.0 - alpha);
+		color += scolor.rgb * a;
+		alpha += a * scolor.a;
+		dist += diameter * 0.5;
+	}
+
+	if (blend_ambient) {
+		color.rgb = mix(ambient, color.rgb, min(1.0, alpha / 0.95));
+	}
+
+	return color;
+}
+
+void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, vec3 cell_size, vec3 pos, vec3 ambient, vec3 environment, bool blend_ambient, float multiplier, mat3 normal_mtx, vec3 ref_vec, float roughness, float p_bias, float p_normal_bias, inout vec4 out_spec, inout vec4 out_diff) {
+	vec3 probe_pos = (probe_xform * vec4(pos, 1.0)).xyz;
+	vec3 ref_pos = (probe_xform * vec4(pos + ref_vec, 1.0)).xyz;
+	ref_vec = normalize(ref_pos - probe_pos);
+
+	probe_pos += (probe_xform * vec4(normal_mtx[2], 0.0)).xyz * p_normal_bias;
+
+	/*	out_diff.rgb = voxel_cone_trace(probe,cell_size,probe_pos,normalize((probe_xform * vec4(ref_vec,0.0)).xyz),0.0 ,100.0);
+	out_diff.a = 1.0;
+	return;*/
+	//out_diff = vec4(textureLod(probe,probe_pos*cell_size,3.0).rgb,1.0);
+	//return;
+
+	//this causes corrupted pixels, i have no idea why..
+	if (any(bvec2(any(lessThan(probe_pos, vec3(0.0))), any(greaterThan(probe_pos, bounds))))) {
+		return;
+	}
+
+	vec3 blendv = abs(probe_pos / bounds * 2.0 - 1.0);
+	float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
+	//float blend=1.0;
+
+	float max_distance = length(bounds);
+
+	//radiance
+#ifdef VCT_QUALITY_HIGH
+
+#define MAX_CONE_DIRS 6
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.0, 0.0, 1.0),
+			vec3(0.866025, 0.0, 0.5),
+			vec3(0.267617, 0.823639, 0.5),
+			vec3(-0.700629, 0.509037, 0.5),
+			vec3(-0.700629, -0.509037, 0.5),
+			vec3(0.267617, -0.823639, 0.5));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15);
+	float cone_angle_tan = 0.577;
+	float min_ref_tan = 0.0;
+#else
+
+#define MAX_CONE_DIRS 4
+
+	vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
+			vec3(0.707107, 0.0, 0.707107),
+			vec3(0.0, 0.707107, 0.707107),
+			vec3(-0.707107, 0.0, 0.707107),
+			vec3(0.0, -0.707107, 0.707107));
+
+	float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
+	float cone_angle_tan = 0.98269;
+	max_distance *= 0.5;
+	float min_ref_tan = 0.2;
+
+#endif
+	vec3 light = vec3(0.0);
+	for (int i = 0; i < MAX_CONE_DIRS; i++) {
+		vec3 dir = normalize((probe_xform * vec4(pos + normal_mtx * cone_dirs[i], 1.0)).xyz - probe_pos);
+		light += cone_weights[i] * voxel_cone_trace(probe, cell_size, probe_pos, ambient, blend_ambient, dir, cone_angle_tan, max_distance, p_bias);
+	}
+
+	light *= multiplier;
+
+	out_diff += vec4(light * blend, blend);
+
+	//irradiance
+
+	vec3 irr_light = voxel_cone_trace(probe, cell_size, probe_pos, environment, blend_ambient, ref_vec, max(min_ref_tan, tan(roughness * 0.5 * M_PI * 0.99)), max_distance, p_bias);
+
+	irr_light *= multiplier;
+	//irr_light=vec3(0.0);
+
+	out_spec += vec4(irr_light * blend, blend);
+}
+
+void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_specular, inout vec3 out_ambient) {
+	roughness = roughness * roughness;
+
+	vec3 ref_vec = normalize(reflect(normalize(pos), normal));
+
+	//find arbitrary tangent and bitangent, then build a matrix
+	vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
+	vec3 tangent = normalize(cross(v0, normal));
+	vec3 bitangent = normalize(cross(tangent, normal));
+	mat3 normal_mat = mat3(tangent, bitangent, normal);
+
+	vec4 diff_accum = vec4(0.0);
+	vec4 spec_accum = vec4(0.0);
+
+	vec3 ambient = out_ambient;
+	out_ambient = vec3(0.0);
+
+	vec3 environment = out_specular;
+
+	out_specular = vec3(0.0);
+
+	gi_probe_compute(gi_probe1, gi_probe_xform1, gi_probe_bounds1, gi_probe_cell_size1, pos, ambient, environment, gi_probe_blend_ambient1, gi_probe_multiplier1, normal_mat, ref_vec, roughness, gi_probe_bias1, gi_probe_normal_bias1, spec_accum, diff_accum);
+
+	if (gi_probe2_enabled) {
+		gi_probe_compute(gi_probe2, gi_probe_xform2, gi_probe_bounds2, gi_probe_cell_size2, pos, ambient, environment, gi_probe_blend_ambient2, gi_probe_multiplier2, normal_mat, ref_vec, roughness, gi_probe_bias2, gi_probe_normal_bias2, spec_accum, diff_accum);
+	}
+
+	if (diff_accum.a > 0.0) {
+		diff_accum.rgb /= diff_accum.a;
+	}
+
+	if (spec_accum.a > 0.0) {
+		spec_accum.rgb /= spec_accum.a;
+	}
+
+	out_specular += spec_accum.rgb;
+	out_ambient += diff_accum.rgb;
+}
+
+#endif
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+
+	//lay out everything, whathever is unused is optimized away anyway
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+	float alpha = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(binormal_interp);
+	vec3 tangent = normalize(tangent_interp);
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp);
+
+#if defined(DO_SIDE_CHECK)
+	if (!gl_FrontFacing) {
+		normal = -normal;
+	}
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	vec2 uv = uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	vec2 uv2 = uv2_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	vec4 color = color_interp;
+#endif
+
+#if defined(ENABLE_NORMALMAP)
+
+	vec3 normalmap = vec3(0.5);
+#endif
+
+	float normaldepth = 1.0;
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+#if defined(ENABLE_SSS)
+	float sss_strength = 0.0;
+#endif
+
+	{
+		/* clang-format off */
+	{
+		vec2 m_base_uv=uv_interp;
+		vec4 m_albedo_tex=texture(m_texture_albedo, m_base_uv);
+		albedo=(m_albedo.rgb*m_albedo_tex.rgb);
+		metallic=m_metallic;
+		roughness=m_roughness;
+		specular=m_specular;
+		normalmap=texture(m_texture_normal, m_base_uv).rgb;
+		normaldepth=m_normal_scale;
+		vec3 m_unpacked_normal=normalmap;
+		m_unpacked_normal.xy=((m_unpacked_normal.xy*2.0)-1.0);
+		m_unpacked_normal.z=sqrt(max(0.0, (1.0-dot(m_unpacked_normal.xy, m_unpacked_normal.xy))));
+		vec3 m_ref_normal=normalize(mix(normal, (((tangent*m_unpacked_normal.x)+(binormal*m_unpacked_normal.y))+(normal*m_unpacked_normal.z)), normaldepth));
+		vec2 m_ref_ofs=(screen_uv-((m_ref_normal.xy*dot(texture(m_texture_refraction, m_base_uv), m_refraction_texture_channel))*m_refraction));
+		float m_ref_amount=(1.0-(m_albedo.a*m_albedo_tex.a));
+		emission+=(textureLod(screen_texture, m_ref_ofs, (roughness*8.0)).rgb*m_ref_amount);
+		albedo*=(1.0-m_ref_amount);
+		alpha=1.0;
+		ao=dot(texture(m_texture_ambient_occlusion, m_base_uv), m_ao_texture_channel);
+		ao_light_affect=m_ao_light_affect;
+	}
+
+
+		/* clang-format on */
+	}
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#if defined(ENABLE_NORMALMAP)
+
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+
+	normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth));
+
+#endif
+
+#if defined(LIGHT_USE_ANISOTROPY)
+
+	if (anisotropy > 0.01) {
+		//rotation matrix
+		mat3 rot = mat3(tangent, binormal, normal);
+		//make local to space
+		tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0));
+		binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0));
+	}
+
+#endif
+
+#ifdef ENABLE_CLIP_ALPHA
+	if (albedo.a < 0.99) {
+		//used for doublepass and shadowmapping
+		discard;
+	}
+#endif
+
+	/////////////////////// LIGHTING //////////////////////////////
+
+	//apply energy conservation
+
+#ifdef USE_VERTEX_LIGHTING
+
+	vec3 specular_light = specular_light_interp.rgb;
+	vec3 diffuse_light = diffuse_light_interp.rgb;
+#else
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+
+#endif
+
+	vec3 ambient_light;
+	vec3 env_reflection_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_vec = view;
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_vec), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef USE_RADIANCE_MAP
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	{
+		{ //read radiance from dual paraboloid
+
+			vec3 ref_vec = reflect(-eye_vec, normal);
+			float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+			ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+			vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
+			env_reflection_light = radiance;
+			env_reflection_light *= horizon * horizon;
+		}
+	}
+#ifndef USE_LIGHTMAP
+	{
+		vec3 norm = normal;
+		norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
+		norm.xy /= 1.0 + abs(norm.z);
+		norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
+		if (norm.z > 0.0001) {
+			norm.y = 0.5 - norm.y + 0.5;
+		}
+
+		vec3 env_ambient = texture(irradiance_map, norm.xy).rgb * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_light_color.rgb, env_ambient, radiance_ambient_contribution);
+	}
+#endif
+#endif //AMBIENT_LIGHT_DISABLED
+
+#else
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+	ambient_light = ambient_light_color.rgb;
+	env_reflection_light = bg_color.rgb * bg_energy;
+#endif //AMBIENT_LIGHT_DISABLED
+
+#endif
+
+	ambient_light *= ambient_energy;
+
+	float specular_blob_intensity = 1.0;
+
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#ifdef USE_GI_PROBES
+	gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+#ifdef USE_LIGHTMAP_LAYERED
+	ambient_light = LIGHTMAP_TEXTURE_LAYERED_SAMPLE(lightmap, vec3(uv2, float(lightmap_layer))).rgb * lightmap_energy;
+#else
+	ambient_light = LIGHTMAP_TEXTURE_SAMPLE(lightmap, uv2).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12] = vec3[](
+				vec3(0.0, 0.0, 1.0),
+				vec3(0.866025, 0.0, 0.5),
+				vec3(0.267617, 0.823639, 0.5),
+				vec3(-0.700629, 0.509037, 0.5),
+				vec3(-0.700629, -0.509037, 0.5),
+				vec3(0.267617, -0.823639, 0.5),
+				vec3(0.0, 0.0, -1.0),
+				vec3(0.866025, 0.0, -0.5),
+				vec3(0.267617, 0.823639, -0.5),
+				vec3(-0.700629, 0.509037, -0.5),
+				vec3(-0.700629, -0.509037, -0.5),
+				vec3(0.267617, -0.823639, -0.5));
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+	highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+	for (int i = 0; i < reflection_count; i++) {
+		reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+	}
+
+	if (reflection_accum.a > 0.0) {
+		specular_light += reflection_accum.rgb / reflection_accum.a;
+	} else {
+		specular_light += env_reflection_light;
+	}
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+#endif
+
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment, GI, and reflection probes are added
+		// Environment brdf approximation (Lazarov 2013)
+		// see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+#endif
+	}
+
+#if defined(USE_LIGHT_DIRECTIONAL)
+
+	vec3 light_attenuation = vec3(1.0);
+
+	float depth_z = -vertex.z;
+#ifdef LIGHT_DIRECTIONAL_SHADOW
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef LIGHT_USE_PSSM4
+	if (depth_z < shadow_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+	if (depth_z < shadow_split_offsets.y) {
+#else
+	if (depth_z < shadow_split_offsets.x) {
+#endif //LIGHT_USE_PSSM4
+
+		vec3 pssm_coord;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float pssm_blend;
+		vec3 pssm_coord2;
+		bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+		if (depth_z < shadow_split_offsets.y) {
+			if (depth_z < shadow_split_offsets.x) {
+				highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+				splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < shadow_split_offsets.z) {
+				highp vec4 splane = (shadow_matrix3 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord2 = splane.xyz / splane.w;
+				pssm_blend = smoothstep(shadow_split_offsets.y, shadow_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				highp vec4 splane = (shadow_matrix4 * vec4(vertex, 1.0));
+				pssm_coord = splane.xyz / splane.w;
+				pssm_fade = smoothstep(shadow_split_offsets.z, shadow_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+
+#endif
+			}
+		}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+		if (depth_z < shadow_split_offsets.x) {
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+			splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord2 = splane.xyz / splane.w;
+			pssm_blend = smoothstep(0.0, shadow_split_offsets.x, depth_z);
+#endif
+
+		} else {
+			highp vec4 splane = (shadow_matrix2 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+			pssm_fade = smoothstep(shadow_split_offsets.x, shadow_split_offsets.y, depth_z);
+#if defined(LIGHT_USE_PSSM_BLEND)
+			use_blend = false;
+
+#endif
+		}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+		{ //regular orthogonal
+			highp vec4 splane = (shadow_matrix1 * vec4(vertex, 1.0));
+			pssm_coord = splane.xyz / splane.w;
+		}
+#endif
+
+		//one one sample
+
+		float shadow = sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord.xy, pssm_coord.z, light_clamp);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+
+		if (use_blend) {
+			shadow = mix(shadow, sample_shadow(directional_shadow, directional_shadow_pixel_size, pssm_coord2.xy, pssm_coord2.z, light_clamp), pssm_blend);
+		}
+#endif
+
+#ifdef USE_CONTACT_SHADOWS
+		if (shadow > 0.01 && shadow_color_contact.a > 0.0) {
+			float contact_shadow = contact_shadow_compute(vertex, -light_direction_attenuation.xyz, shadow_color_contact.a);
+			shadow = min(shadow, contact_shadow);
+		}
+#endif
+		light_attenuation = mix(mix(shadow_color_contact.rgb, vec3(1.0), shadow), vec3(1.0), pssm_fade);
+	}
+
+#endif // !defined(SHADOWS_DISABLED)
+#endif //LIGHT_DIRECTIONAL_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= mix(vec3(1.0), light_attenuation, diffuse_light_interp.a);
+	specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
+
+#else
+	light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
+#endif
+
+#endif //#USE_LIGHT_DIRECTIONAL
+
+#ifdef USE_VERTEX_LIGHTING
+	diffuse_light *= albedo;
+#endif
+
+#ifdef USE_FORWARD_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
+	}
+
+#endif //USE_VERTEX_LIGHTING
+
+#endif
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+	if (alpha < opaque_prepass_threshold) {
+		discard;
+	}
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
+#ifdef RENDER_DEPTH
+//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
+#else
+
+	specular_light *= reflection_multiplier;
+	ambient_light *= albedo; //ambient must be multiplied by albedo at the end
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	// base color remapping
+	diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
+	ambient_light *= 1.0 - metallic;
+
+	if (fog_color_enabled.a > 0.5) {
+		float fog_amount = 0.0;
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+		vec3 fog_color = mix(fog_color_enabled.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex), -light_direction_attenuation.xyz), 0.0), 8.0));
+#else
+
+		vec3 fog_color = fog_color_enabled.rgb;
+#endif
+
+		//apply fog
+
+		if (fog_depth_enabled) {
+			float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
+
+			float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
+
+			fog_amount = pow(fog_z, fog_depth_curve) * fog_density;
+			if (fog_transmit_enabled) {
+				vec3 total_light = emission + ambient_light + specular_light + diffuse_light;
+				float transmit = pow(fog_z, fog_transmit_curve);
+				fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+			}
+		}
+
+		if (fog_height_enabled) {
+			float y = (camera_matrix * vec4(vertex, 1.0)).y;
+			fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+		}
+
+		float rev_amount = 1.0 - fog_amount;
+
+		emission = emission * rev_amount + fog_color * fog_amount;
+		ambient_light *= rev_amount;
+		specular_light *= rev_amount;
+		diffuse_light *= rev_amount;
+	}
+
+#ifdef USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	diffuse_buffer = vec4(albedo.rgb, 0.0);
+	specular_buffer = vec4(0.0);
+
+#else
+
+	//approximate ambient scale for SSAO, since we will lack full ambient
+	float max_emission = max(emission.r, max(emission.g, emission.b));
+	float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
+	float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
+	float total_ambient = max_ambient + max_diffuse;
+#ifdef USE_FORWARD_LIGHTING
+	total_ambient += max_emission;
+#endif
+	float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
+
+#if defined(ENABLE_AO)
+	ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
+#endif
+	diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
+	specular_buffer = vec4(specular_light, metallic);
+
+#ifdef USE_FORWARD_LIGHTING
+	diffuse_buffer.rgb += emission;
+#endif
+#endif //SHADELESS
+
+	normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
+
+#if defined(ENABLE_SSS)
+	sss_buffer = sss_strength;
+#endif
+
+#else //USE_MULTIPLE_RENDER_TARGETS
+
+#ifdef SHADELESS
+	frag_color = vec4(albedo, alpha);
+#else
+	frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
+#ifdef USE_FORWARD_LIGHTING
+	frag_color.rgb += emission;
+#endif
+#endif //SHADELESS
+
+#endif //USE_MULTIPLE_RENDER_TARGETS
+
+#endif //RENDER_DEPTH
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define MAX_LIGHT_DATA_STRUCTS 409
+
+#define MAX_FORWARD_LIGHTS 32
+
+#define MAX_REFLECTION_DATA_STRUCTS 455
+
+#define MAX_SKELETON_BONES 1365
+
+#define USE_FORWARD_LIGHTING
+#define USE_RADIANCE_MAP
+#define USE_RADIANCE_MAP_ARRAY
+#define SHADOW_MODE_PCF_13
+#define USE_SHADOW
+#define USE_LIGHTMAP_FILTER_BICUBIC
+#define DIFFUSE_BURLEY
+#define SPECULAR_SCHLICK_GGX
+#define USE_MATERIAL
+#define ENABLE_UV_INTERP
+#define ENABLE_NORMALMAP
+#define ENABLE_NORMALMAP
+#define ENABLE_TANGENT_INTERP
+#define ENABLE_TANGENT_INTERP
+#define SCREEN_UV_USED
+#define SCREEN_TEXTURE_USED
+#define ENABLE_AO
+#define ENABLE_AO
+precision highp float;
+precision highp int;
+
+#define M_PI 3.14159265359
+
+#define SHADER_IS_SRGB false
+
+/*
+from VisualServer:
+
+ARRAY_VERTEX=0,
+ARRAY_NORMAL=1,
+ARRAY_TANGENT=2,
+ARRAY_COLOR=3,
+ARRAY_TEX_UV=4,
+ARRAY_TEX_UV2=5,
+ARRAY_BONES=6,
+ARRAY_WEIGHTS=7,
+ARRAY_INDEX=8,
+*/
+
+// hack to use uv if no uv present so it works with lightmap
+
+/* INPUT ATTRIBS */
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+layout(location = 1) in vec4 normal_tangent_attrib;
+#else
+layout(location = 1) in vec3 normal_attrib;
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+layout(location = 2) in vec4 tangent_attrib;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+layout(location = 3) in vec4 color_attrib;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+layout(location = 4) in vec2 uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+layout(location = 5) in vec2 uv2_attrib;
+#endif
+
+#ifdef USE_SKELETON
+layout(location = 6) in uvec4 bone_indices; // attrib:6
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+layout(location = 8) in highp vec4 instance_xform0;
+layout(location = 9) in highp vec4 instance_xform1;
+layout(location = 10) in highp vec4 instance_xform2;
+layout(location = 11) in lowp vec4 instance_color;
+
+#if defined(ENABLE_INSTANCE_CUSTOM)
+layout(location = 12) in highp vec4 instance_custom_data;
+#endif
+
+#endif
+
+layout(std140) uniform SceneData { // ubo:0
+
+	highp mat4 projection_matrix;
+	highp mat4 inv_projection_matrix;
+	highp mat4 camera_inverse_matrix;
+	highp mat4 camera_matrix;
+
+	mediump vec4 ambient_light_color;
+	mediump vec4 bg_color;
+
+	mediump vec4 fog_color_enabled;
+	mediump vec4 fog_sun_color_amount;
+
+	mediump float ambient_energy;
+	mediump float bg_energy;
+
+	mediump float z_offset;
+	mediump float z_slope_scale;
+	highp float shadow_dual_paraboloid_render_zfar;
+	highp float shadow_dual_paraboloid_render_side;
+
+	highp vec2 viewport_size;
+	highp vec2 screen_pixel_size;
+	highp vec2 shadow_atlas_pixel_size;
+	highp vec2 directional_shadow_pixel_size;
+
+	highp float time;
+	highp float z_far;
+	mediump float reflection_multiplier;
+	mediump float subsurface_scatter_width;
+	mediump float ambient_occlusion_affect_light;
+	mediump float ambient_occlusion_affect_ao_channel;
+	mediump float opaque_prepass_threshold;
+
+	bool fog_depth_enabled;
+	highp float fog_depth_begin;
+	highp float fog_depth_end;
+	mediump float fog_density;
+	highp float fog_depth_curve;
+	bool fog_transmit_enabled;
+	highp float fog_transmit_curve;
+	bool fog_height_enabled;
+	highp float fog_height_min;
+	highp float fog_height_max;
+	highp float fog_height_curve;
+
+	int view_index;
+};
+
+uniform highp mat4 world_transform;
+
+#ifdef USE_LIGHTMAP
+uniform highp vec4 lightmap_uv_rect;
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+layout(std140) uniform DirectionalLightData { //ubo:3
+
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix1;
+	highp mat4 shadow_matrix2;
+	highp mat4 shadow_matrix3;
+	highp mat4 shadow_matrix4;
+	mediump vec4 shadow_split_offsets;
+};
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+//omni and spot
+
+struct LightData {
+	highp vec4 light_pos_inv_radius;
+	mediump vec4 light_direction_attenuation;
+	mediump vec4 light_color_energy;
+	mediump vec4 light_params; // cone attenuation, angle, specular, shadow enabled,
+	mediump vec4 light_clamp;
+	mediump vec4 shadow_color_contact;
+	highp mat4 shadow_matrix;
+};
+
+layout(std140) uniform OmniLightData { //ubo:4
+
+	LightData omni_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+layout(std140) uniform SpotLightData { //ubo:5
+
+	LightData spot_lights[MAX_LIGHT_DATA_STRUCTS];
+};
+
+#ifdef USE_FORWARD_LIGHTING
+
+uniform int omni_light_indices[MAX_FORWARD_LIGHTS];
+uniform int omni_light_count;
+
+uniform int spot_light_indices[MAX_FORWARD_LIGHTS];
+uniform int spot_light_count;
+
+#endif
+
+out vec4 diffuse_light_interp;
+out vec4 specular_light_interp;
+
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	diffuse += light_color * diffuse_brdf_NL;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		specular += specular_brdf_NL * light_color;
+	}
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, omni_lights[idx].light_pos_inv_radius.w, omni_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w));
+#endif
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, omni_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, float roughness, inout vec3 diffuse, inout vec3 specular) {
+	vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
+	float light_length = length(light_rel_vec);
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+	vec3 light_attenuation = vec3(get_omni_attenuation(light_length, spot_lights[idx].light_pos_inv_radius.w, spot_lights[idx].light_direction_attenuation.w));
+#else
+	float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
+	vec3 light_attenuation = vec3(pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w));
+#endif
+
+	vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
+	float spot_cutoff = spot_lights[idx].light_params.y;
+	float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);
+	float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
+	light_attenuation *= 1.0 - pow(max(spot_rim, 0.001), spot_lights[idx].light_params.x);
+
+	light_compute(normal, normalize(light_rel_vec), eye_vec, spot_lights[idx].light_color_energy.rgb * light_attenuation, roughness, diffuse, specular);
+}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+/* Varyings */
+
+out highp vec3 vertex_interp;
+out vec3 normal_interp;
+
+#if defined(ENABLE_COLOR_INTERP)
+out vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+out vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+out vec2 uv2_interp;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+out vec3 tangent_interp;
+out vec3 binormal_interp;
+#endif
+
+#if defined(USE_MATERIAL)
+
+/* clang-format off */
+layout(std140) uniform UniformData { // ubo:1
+vec4 m_albedo;
+float m_specular;
+float m_metallic;
+float m_roughness;
+float m_point_size;
+float m_refraction;
+vec4 m_refraction_texture_channel;
+float m_normal_scale;
+vec4 m_ao_texture_channel;
+float m_ao_light_affect;
+vec3 m_uv1_scale;
+vec3 m_uv1_offset;
+vec3 m_uv2_scale;
+vec3 m_uv2_offset;
+
+
+};
+/* clang-format on */
+
+#endif
+
+/* clang-format off */
+uniform sampler2D m_texture_normal;
+uniform sampler2D m_texture_albedo;
+uniform sampler2D m_texture_ambient_occlusion;
+uniform sampler2D m_texture_refraction;
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+out highp float dp_clip;
+
+#endif
+
+#define SKELETON_TEXTURE_WIDTH 256
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-1
+#endif
+
+out highp vec4 position_interp;
+
+// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now.
+// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316
+//invariant gl_Position;
+
+void main() {
+	highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
+
+	highp mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+
+	{
+		highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#if defined(USE_INSTANCING)
+	color_interp *= instance_color;
+#endif
+
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(USE_LIGHTMAP)
+	uv2_interp = lightmap_uv_rect.zw * uv2_attrib + lightmap_uv_rect.xy;
+#elif defined(ENABLE_UV2_INTERP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#ifdef OVERRIDE_POSITION
+	highp vec4 position;
+#endif
+
+#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+	highp mat4 local_projection = projection_matrix;
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = world_matrix * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	float roughness = 1.0;
+
+//defines that make writing custom shaders easier
+#define projection_matrix local_projection
+#define world_transform world_matrix
+
+#ifdef USE_SKELETON
+	{
+		//skeleton transform
+		ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
+
+		ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
+		highp mat4 m;
+		m = mat4(
+					texelFetch(skeleton_texture, tex_ofs, 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.x;
+
+		tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.y;
+
+		tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.z;
+
+		tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
+
+		m += mat4(
+					 texelFetch(skeleton_texture, tex_ofs, 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
+					 texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+					 vec4(0.0, 0.0, 0.0, 1.0)) *
+				bone_weights.w;
+
+		world_matrix = world_matrix * transpose(m);
+	}
+#endif
+
+	float point_size = 1.0;
+
+	highp mat4 modelview = camera_inverse_matrix * world_matrix;
+	{
+		/* clang-format off */
+	{
+		uv_interp=((uv_interp*m_uv1_scale.xy)+m_uv1_offset.xy);
+	}
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+// using local coordinates (default)
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = modelview * vertex;
+
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+//using world coordinates
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * z_offset;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+
+	float z_ofs = z_offset;
+	z_ofs += (1.0 - abs(normal_interp.z)) * z_slope_scale;
+	vertex_interp.z -= z_ofs;
+
+#endif //RENDER_DEPTH_DUAL_PARABOLOID
+
+#endif //RENDER_DEPTH
+
+#ifdef OVERRIDE_POSITION
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+	position_interp = gl_Position;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	diffuse_light_interp = vec4(0.0);
+	specular_light_interp = vec4(0.0);
+
+#ifdef USE_FORWARD_LIGHTING
+
+	for (int i = 0; i < omni_light_count; i++) {
+		light_process_omni(omni_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+
+	for (int i = 0; i < spot_light_count; i++) {
+		light_process_spot(spot_light_indices[i], vertex_interp, -normalize(vertex_interp), normal_interp, roughness, diffuse_light_interp.rgb, specular_light_interp.rgb);
+	}
+#endif
+
+#ifdef USE_LIGHT_DIRECTIONAL
+
+	vec3 directional_diffuse = vec3(0.0);
+	vec3 directional_specular = vec3(0.0);
+	light_compute(normal_interp, -light_direction_attenuation.xyz, -normalize(vertex_interp), light_color_energy.rgb, roughness, directional_diffuse, directional_specular);
+
+	float diff_avg = dot(diffuse_light_interp.rgb, vec3(0.33333));
+	float diff_dir_avg = dot(directional_diffuse, vec3(0.33333));
+	if (diff_avg > 0.0) {
+		diffuse_light_interp.a = diff_dir_avg / (diff_avg + diff_dir_avg);
+	} else {
+		diffuse_light_interp.a = 1.0;
+	}
+
+	diffuse_light_interp.rgb += directional_diffuse;
+
+	float spec_avg = dot(specular_light_interp.rgb, vec3(0.33333));
+	float spec_dir_avg = dot(directional_specular, vec3(0.33333));
+	if (spec_avg > 0.0) {
+		specular_light_interp.a = spec_dir_avg / (spec_avg + spec_dir_avg);
+	} else {
+		specular_light_interp.a = 1.0;
+	}
+
+	specular_light_interp.rgb += directional_specular;
+
+#endif //USE_LIGHT_DIRECTIONAL
+
+#endif // USE_VERTEX_LIGHTING
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/88-10.shader_test b/shaders/godot3.4/88-10.shader_test
new file mode 100644
index 0000000..ef91874
--- /dev/null
+++ b/shaders/godot3.4/88-10.shader_test
@@ -0,0 +1,330 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define SSAO_MERGE
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+uniform sampler2D source_color; //texunit:0
+
+#ifdef SSAO_MERGE
+uniform sampler2D source_ssao; //texunit:1
+#endif
+
+uniform float lod;
+uniform vec2 pixel_size;
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef SSAO_MERGE
+
+uniform vec4 ssao_color;
+
+#endif
+
+#if defined(GLOW_GAUSSIAN_HORIZONTAL) || defined(GLOW_GAUSSIAN_VERTICAL)
+
+uniform float glow_strength;
+
+#endif
+
+#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
+
+#ifdef DOF_QUALITY_LOW
+const int dof_kernel_size = 5;
+const int dof_kernel_from = 2;
+const float dof_kernel[5] = float[](0.153388, 0.221461, 0.250301, 0.221461, 0.153388);
+#endif
+
+#ifdef DOF_QUALITY_MEDIUM
+const int dof_kernel_size = 11;
+const int dof_kernel_from = 5;
+const float dof_kernel[11] = float[](0.055037, 0.072806, 0.090506, 0.105726, 0.116061, 0.119726, 0.116061, 0.105726, 0.090506, 0.072806, 0.055037);
+
+#endif
+
+#ifdef DOF_QUALITY_HIGH
+const int dof_kernel_size = 21;
+const int dof_kernel_from = 10;
+const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174);
+#endif
+
+uniform sampler2D dof_source_depth; //texunit:1
+uniform float dof_begin;
+uniform float dof_end;
+uniform vec2 dof_dir;
+uniform float dof_radius;
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+uniform sampler2D source_dof_original; //texunit:2
+#endif
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+uniform float exposure;
+uniform float white;
+uniform highp float luminance_cap;
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+
+#endif
+
+uniform float glow_bloom;
+uniform float glow_hdr_threshold;
+uniform float glow_hdr_scale;
+
+#endif
+
+uniform float camera_z_far;
+uniform float camera_z_near;
+
+void main() {
+#ifdef GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+	// sigma 2
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.214607;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.071303;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303;
+	frag_color = color;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.38774;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.06136;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.06136;
+	frag_color = color;
+#endif
+
+	//glow uses larger sigma for a more rounded blur effect
+
+#ifdef GLOW_GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+
+#ifdef USE_GLOW_HIGH_QUALITY
+	// Sample from two lines to capture single-pixel features.
+	// This is significantly slower, but looks better and is more stable for moving objects.
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 0.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 0.0) * pix_size, lod) * 0.063327;
+
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 1.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 1.0) * pix_size, lod) * 0.063327;
+	color *= 0.5;
+#else
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595;
+#endif //USE_GLOW_HIGH_QUALITY
+
+	color *= glow_strength;
+	frag_color = color;
+#endif //GLOW_GAUSSIAN_HORIZONTAL
+
+#ifdef GLOW_GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581;
+	color *= glow_strength;
+	frag_color = color;
+#endif
+
+#ifdef DOF_FAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float depth = textureLod(dof_source_depth, uv_interp, 0.0).r;
+	depth = depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near));
+#endif
+
+	float amount = smoothstep(dof_begin, dof_end, depth);
+	float k_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * amount * dof_radius;
+
+		float tap_k = dof_kernel[i];
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = mix(smoothstep(dof_begin, dof_end, tap_depth), 1.0, int_ofs == 0);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0) * tap_k;
+
+		k_accum += tap_k * tap_amount;
+		color_accum += tap_color * tap_amount;
+	}
+
+	if (k_accum > 0.0) {
+		color_accum /= k_accum;
+	}
+
+	frag_color = color_accum; ///k_accum;
+
+#endif
+
+#ifdef DOF_NEAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float max_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * dof_radius;
+		float ofs_influence = max(0.0, 1.0 - float(abs(int_ofs)) / float(dof_kernel_from));
+
+		float tap_k = dof_kernel[i];
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0);
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+#ifdef DOF_NEAR_FIRST_TAP
+
+		tap_color.a = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+
+#endif
+
+		max_accum = max(max_accum, tap_amount * ofs_influence);
+
+		color_accum += tap_color * tap_k;
+	}
+
+	color_accum.a = max(color_accum.a, sqrt(max_accum));
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+	vec4 original = textureLod(source_dof_original, uv_interp, 0.0);
+	color_accum = mix(original, color_accum, color_accum.a);
+
+#endif
+
+#ifndef DOF_NEAR_FIRST_TAP
+	//color_accum=vec4(vec3(color_accum.a),1.0);
+#endif
+	frag_color = color_accum;
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+	frag_color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+	frag_color *= exposure;
+
+	float luminance = max(frag_color.r, max(frag_color.g, frag_color.b));
+	float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom);
+
+	frag_color = min(frag_color * feedback, vec4(luminance_cap));
+
+#endif
+
+#ifdef SIMPLE_COPY
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	frag_color = color;
+#endif
+
+#ifdef SSAO_MERGE
+
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	float ssao = textureLod(source_ssao, uv_interp, 0.0).r;
+
+	frag_color = vec4(mix(color.rgb, color.rgb * mix(ssao_color.rgb, vec3(1.0), ssao), color.a), 1.0);
+
+#endif
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define SSAO_MERGE
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+#ifdef USE_BLUR_SECTION
+
+uniform vec4 blur_section;
+
+#endif
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+#ifdef USE_BLUR_SECTION
+
+	uv_interp = blur_section.xy + uv_interp * blur_section.zw;
+	gl_Position.xy = (blur_section.xy + (gl_Position.xy * 0.5 + 0.5) * blur_section.zw) * 2.0 - 1.0;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/88-5.shader_test b/shaders/godot3.4/88-5.shader_test
new file mode 100644
index 0000000..aa1c1c9
--- /dev/null
+++ b/shaders/godot3.4/88-5.shader_test
@@ -0,0 +1,3222 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_LIGHTING
+#define BASE_PASS
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_LIGHTING
+#define BASE_PASS
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/91-5.shader_test b/shaders/godot3.4/91-5.shader_test
new file mode 100644
index 0000000..66e26ad
--- /dev/null
+++ b/shaders/godot3.4/91-5.shader_test
@@ -0,0 +1,3220 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_LIGHTING
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// On mobile devices we want to default to medium precision to increase performance in the fragment shader.
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+#define M_PI 3.14159265359
+#define SHADER_IS_SRGB true
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+/* clang-format on */
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+uniform highp int view_index;
+
+uniform highp vec2 viewport_size;
+
+#if defined(SCREEN_UV_USED)
+uniform vec2 screen_pixel_size;
+#endif
+
+#if defined(SCREEN_TEXTURE_USED)
+uniform highp sampler2D screen_texture; //texunit:-4
+#endif
+#if defined(DEPTH_TEXTURE_USED)
+uniform highp sampler2D depth_texture; //texunit:-4
+#endif
+
+#ifdef USE_REFLECTION_PROBE1
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe1_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe1_use_box_project;
+uniform highp vec3 refprobe1_box_extents;
+uniform vec3 refprobe1_box_offset;
+uniform highp mat4 refprobe1_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe1_exterior;
+
+uniform highp samplerCube reflection_probe1; //texunit:-5
+
+uniform float refprobe1_intensity;
+uniform vec4 refprobe1_ambient;
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+#ifdef USE_VERTEX_LIGHTING
+
+varying mediump vec4 refprobe2_reflection_normal_blend;
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#else
+
+uniform bool refprobe2_use_box_project;
+uniform highp vec3 refprobe2_box_extents;
+uniform vec3 refprobe2_box_offset;
+uniform highp mat4 refprobe2_local_matrix;
+
+#endif //use vertex lighting
+
+uniform bool refprobe2_exterior;
+
+uniform highp samplerCube reflection_probe2; //texunit:-6
+
+uniform float refprobe2_intensity;
+uniform vec4 refprobe2_ambient;
+
+#endif //USE_REFLECTION_PROBE2
+
+#define RADIANCE_MAX_LOD 6.0
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+void reflection_process(samplerCube reflection_map,
+#ifdef USE_VERTEX_LIGHTING
+		vec3 ref_normal,
+#ifndef USE_LIGHTMAP
+		vec3 amb_normal,
+#endif
+		float ref_blend,
+
+#else //no vertex lighting
+		vec3 normal, vec3 vertex,
+		mat4 local_matrix,
+		bool use_box_project, vec3 box_extents, vec3 box_offset,
+#endif //vertex lighting
+		bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
+
+	vec4 reflection;
+
+#ifdef USE_VERTEX_LIGHTING
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+
+	float blend = ref_blend; //crappier blend formula for vertex
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+#else //fragment lighting
+
+	vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
+
+	if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
+		return;
+	}
+
+	vec3 inner_pos = abs(local_pos / box_extents);
+	float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+	blend = mix(length(inner_pos), blend, blend);
+	blend *= blend;
+	blend = max(0.0, 1.0 - blend);
+
+	//reflect and make local
+	vec3 ref_normal = normalize(reflect(vertex, normal));
+	ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
+
+	if (use_box_project) { //box project
+
+		vec3 nrdir = normalize(ref_normal);
+		vec3 rbmax = (box_extents - local_pos) / nrdir;
+		vec3 rbmin = (-box_extents - local_pos) / nrdir;
+
+		vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
+
+		float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
+		vec3 posonbox = local_pos + nrdir * fa;
+		ref_normal = posonbox - box_offset.xyz;
+	}
+
+	reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb;
+#endif
+
+	if (exterior) {
+		reflection.rgb = mix(skybox, reflection.rgb, blend);
+	}
+	reflection.rgb *= intensity;
+	reflection.a = blend;
+	reflection.rgb *= blend;
+
+	reflection_accum += reflection;
+
+#ifndef USE_LIGHTMAP
+
+	vec4 ambient_out;
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
+#endif
+
+	ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb;
+	ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a);
+	if (exterior) {
+		ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
+	}
+
+	ambient_out.a = blend;
+	ambient_out.rgb *= blend;
+	ambient_accum += ambient_out;
+
+#endif
+}
+
+#endif //use refprobe 1 or 2
+
+#ifdef USE_LIGHTMAP
+uniform mediump sampler2D lightmap; //texunit:-4
+uniform mediump float lightmap_energy;
+
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+uniform mediump vec2 lightmap_texture_size;
+
+// w0, w1, w2, and w3 are the four cubic B-spline basis functions
+float w0(float a) {
+	return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
+}
+
+float w1(float a) {
+	return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0);
+}
+
+float w2(float a) {
+	return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0);
+}
+
+float w3(float a) {
+	return (1.0 / 6.0) * (a * a * a);
+}
+
+// g0 and g1 are the two amplitude functions
+float g0(float a) {
+	return w0(a) + w1(a);
+}
+
+float g1(float a) {
+	return w2(a) + w3(a);
+}
+
+// h0 and h1 are the two offset functions
+float h0(float a) {
+	return -1.0 + w1(a) / (w0(a) + w1(a));
+}
+
+float h1(float a) {
+	return 1.0 + w3(a) / (w2(a) + w3(a));
+}
+
+vec4 texture2D_bicubic(sampler2D tex, vec2 uv) {
+	vec2 texel_size = vec2(1.0) / lightmap_texture_size;
+
+	uv = uv * lightmap_texture_size + vec2(0.5);
+
+	vec2 iuv = floor(uv);
+	vec2 fuv = fract(uv);
+
+	float g0x = g0(fuv.x);
+	float g1x = g1(fuv.x);
+	float h0x = h0(fuv.x);
+	float h1x = h1(fuv.x);
+	float h0y = h0(fuv.y);
+	float h1y = h1(fuv.y);
+
+	vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * texel_size;
+	vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+	vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * texel_size;
+
+	return (g0(fuv.y) * (g0x * texture2D(tex, p0) + g1x * texture2D(tex, p1))) +
+			(g1(fuv.y) * (g0x * texture2D(tex, p2) + g1x * texture2D(tex, p3)));
+}
+#endif //USE_LIGHTMAP_FILTER_BICUBIC
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+uniform mediump vec4 lightmap_captures[12];
+#endif
+
+#ifdef USE_RADIANCE_MAP
+
+uniform samplerCube radiance_map; // texunit:-2
+
+uniform mat4 radiance_inverse_xform;
+
+#endif
+
+uniform vec4 bg_color;
+uniform float bg_energy;
+
+uniform float ambient_sky_contribution;
+uniform vec4 ambient_color;
+uniform float ambient_energy;
+
+#ifdef USE_LIGHTING
+
+uniform highp vec4 shadow_color;
+
+#ifdef USE_VERTEX_LIGHTING
+
+//get from vertex
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+uniform highp vec3 light_direction; //may be used by fog, so leave here
+
+#else
+//done in fragment
+// general for all lights
+uniform highp vec4 light_color;
+
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+#endif
+
+//this is needed outside above if because dual paraboloid wants it
+uniform highp float light_range;
+
+#ifdef USE_SHADOW
+
+uniform highp vec2 shadow_pixel_size;
+
+#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT)
+uniform highp sampler2D light_shadow_atlas; //texunit:-3
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform highp sampler2D light_directional_shadow; // texunit:-3
+uniform highp vec4 light_split_offsets;
+#endif
+
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+uniform vec4 light_clamp;
+
+#endif // light shadow
+
+// directional shadow
+
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+varying vec3 view_interp;
+
+vec3 F0(float metallic, float specular, vec3 albedo) {
+	float dielectric = 0.16 * specular * specular;
+	// use albedo * metallic as colored specular reflectance at 0 angle for metallic materials;
+	// see https://google.github.io/filament/Filament.md.html
+	return mix(vec3(dielectric), albedo, vec3(metallic));
+}
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V.
+// We're dividing this factor off because the overall term we'll end up looks like
+// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012):
+//
+//   F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V)
+//
+// We're basically regouping this as
+//
+//   F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)]
+//
+// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V.
+//
+// The contents of the D and G (G1) functions (GGX) are taken from
+// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014).
+// Eqns 71-72 and 85-86 (see also Eqns 43 and 80).
+
+/*
+float G_GGX_2cos(float cos_theta_m, float alpha) {
+	// Schlick's approximation
+	// C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994)
+	// Eq. (19), although see Heitz (2014) the about the problems with his derivation.
+	// It nevertheless approximates GGX well with k = alpha/2.
+	float k = 0.5 * alpha;
+	return 0.5 / (cos_theta_m * (1.0 - k) + k);
+
+	// float cos2 = cos_theta_m * cos_theta_m;
+	// float sin2 = (1.0 - cos2);
+	// return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2));
+}
+*/
+
+// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha)
+// See Filament docs, Specular G section.
+float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) {
+	return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha);
+}
+
+float D_GGX(float cos_theta_m, float alpha) {
+	float alpha2 = alpha * alpha;
+	float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m;
+	return alpha2 / (M_PI * d * d);
+}
+
+/*
+float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) {
+	float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float s_x = alpha_x * cos_phi;
+	float s_y = alpha_y * sin_phi;
+	return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001);
+}
+*/
+
+// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...)
+// See Filament docs, Anisotropic specular BRDF section.
+float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) {
+	float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV));
+	float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL));
+	return 0.5 / (Lambda_V + Lambda_L);
+}
+
+float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) {
+	float alpha2 = alpha_x * alpha_y;
+	highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH);
+	highp float v2 = dot(v, v);
+	float w2 = alpha2 / v2;
+	float D = alpha2 * w2 * w2 * (1.0 / M_PI);
+	return D;
+
+	/* float cos2 = cos_theta_m * cos_theta_m;
+	float sin2 = (1.0 - cos2);
+	float r_x = cos_phi / alpha_x;
+	float r_y = sin_phi / alpha_y;
+	float d = cos2 + sin2 * (r_x * r_x + r_y * r_y);
+	return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */
+}
+
+float SchlickFresnel(float u) {
+	float m = 1.0 - u;
+	float m2 = m * m;
+	return m2 * m2 * m; // pow(m,5)
+}
+
+float GTR1(float NdotH, float a) {
+	if (a >= 1.0)
+		return 1.0 / M_PI;
+	float a2 = a * a;
+	float t = 1.0 + (a2 - 1.0) * NdotH * NdotH;
+	return (a2 - 1.0) / (M_PI * log(a2) * t);
+}
+
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+#endif
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 B,
+		vec3 T,
+		vec3 light_color,
+		vec3 attenuation,
+		vec3 diffuse_color,
+		vec3 transmission,
+		float specular_blob_intensity,
+		float roughness,
+		float metallic,
+		float specular,
+		float rim,
+		float rim_tint,
+		float clearcoat,
+		float clearcoat_gloss,
+		float anisotropy,
+		inout vec3 diffuse_light,
+		inout vec3 specular_light,
+		inout float alpha) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+#if defined(USE_LIGHT_SHADER_CODE)
+	// light is written by the light shader
+
+	vec3 normal = N;
+	vec3 albedo = diffuse_color;
+	vec3 light = L;
+	vec3 view = V;
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#else
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(abs(NdotV), 1e-6);
+
+/* Make a default specular mode SPECULAR_SCHLICK_GGX. */
+#if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_BLINN) && !defined(SPECULAR_PHONG) && !defined(SPECULAR_TOON)
+#define SPECULAR_SCHLICK_GGX
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	vec3 H = normalize(V + L);
+#endif
+
+#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cNdotH = max(dot(N, H), 0.0);
+#endif
+
+#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT)
+	float cLdotH = max(dot(L, H), 0.0);
+#endif
+
+	if (metallic < 1.0) {
+#if defined(DIFFUSE_OREN_NAYAR)
+		vec3 diffuse_brdf_NL;
+#else
+		float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+		// energy conserving lambert wrap shader
+		diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+		{
+			// see http://mimosa-pudica.net/improved-oren-nayar.html
+			float LdotV = dot(L, V);
+
+			float s = LdotV - NdotL * NdotV;
+			float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+			float sigma2 = roughness * roughness; // TODO: this needs checking
+			vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+			float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+			diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+		}
+
+#elif defined(DIFFUSE_TOON)
+
+		diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL);
+
+#elif defined(DIFFUSE_BURLEY)
+
+		{
+			float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5;
+			float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV);
+			float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL);
+			diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL;
+			/*
+			float energyBias = mix(roughness, 0.0, 0.5);
+			float energyFactor = mix(roughness, 1.0, 1.0 / 1.51);
+			float fd90 = energyBias + 2.0 * VoH * VoH * roughness;
+			float f0 = 1.0;
+			float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0);
+			float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0);
+
+			diffuse_brdf_NL = lightScatter * viewScatter * energyFactor;
+			*/
+		}
+#else
+		// lambert
+		diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+		SRGB_APPROX(diffuse_brdf_NL)
+
+		diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation;
+
+#if defined(TRANSMISSION_USED)
+		diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation;
+#endif
+
+#if defined(LIGHT_USE_RIM)
+		float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0));
+		diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color;
+#endif
+	}
+
+	if (roughness > 0.0) {
+
+#if defined(SPECULAR_SCHLICK_GGX) || defined(SPECULAR_BLINN) || defined(SPECULAR_PHONG)
+		vec3 specular_brdf_NL = vec3(0.0);
+#else
+		float specular_brdf_NL = 0.0;
+#endif
+
+#if defined(SPECULAR_BLINN)
+
+		//normalized blinn
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = blinn * diffuse_color * specular;
+
+#elif defined(SPECULAR_PHONG)
+
+		vec3 R = normalize(-reflect(L, N));
+		float cRdotV = max(0.0, dot(R, V));
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float phong = pow(cRdotV, shininess);
+		phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI));
+
+		specular_brdf_NL = phong * diffuse_color * specular;
+
+#elif defined(SPECULAR_TOON)
+
+		vec3 R = normalize(-reflect(L, N));
+		float RdotV = dot(R, V);
+		float mid = 1.0 - roughness;
+		mid *= mid;
+		specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid;
+
+#elif defined(SPECULAR_DISABLED)
+		// none..
+#elif defined(SPECULAR_SCHLICK_GGX)
+		// shlick+ggx as default
+
+#if defined(LIGHT_USE_ANISOTROPY)
+		float alpha_ggx = roughness * roughness;
+		float aspect = sqrt(1.0 - anisotropy * 0.9);
+		float ax = alpha_ggx / aspect;
+		float ay = alpha_ggx * aspect;
+		float XdotH = dot(T, H);
+		float YdotH = dot(B, H);
+		float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH);
+		//float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
+		float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL);
+
+#else
+		float alpha_ggx = roughness * roughness;
+		float D = D_GGX(cNdotH, alpha_ggx);
+		//float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
+		float G = V_GGX(cNdotL, cNdotV, alpha_ggx);
+#endif
+		// F
+		vec3 f0 = F0(metallic, specular, diffuse_color);
+		float cLdotH5 = SchlickFresnel(cLdotH);
+		vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0);
+
+		specular_brdf_NL = cNdotL * D * F * G;
+
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+
+#if defined(LIGHT_USE_CLEARCOAT)
+
+#if !defined(SPECULAR_SCHLICK_GGX)
+		float cLdotH5 = SchlickFresnel(cLdotH);
+#endif
+		float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
+		float Fr = mix(.04, 1.0, cLdotH5);
+		//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
+		float Gr = V_GGX(cNdotL, cNdotV, 0.25);
+
+		float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL;
+
+		specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation;
+#endif
+	}
+
+#ifdef USE_SHADOW_TO_OPACITY
+	alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
+#endif //defined(USE_LIGHT_SHADER_CODE)
+}
+
+#endif
+// shadows
+
+#ifdef USE_SHADOW
+
+#ifdef USE_RGBA_SHADOWS
+
+#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_val) (m_val).r
+
+#endif
+
+#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos)))
+#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos)))
+
+float sample_shadow(highp sampler2D shadow, highp vec4 spos) {
+#ifdef SHADOW_MODE_PCF_13
+
+	// Soft PCF filter adapted from three.js:
+	// https://github.com/mrdoob/three.js/blob/0c815022849389cbe6de14a93e1c2fc7e4b21c18/src/renderers/shaders/ShaderChunk/shadowmap_pars_fragment.glsl.js#L148-L182
+	// This method actually uses 16 shadow samples. This soft filter isn't needed in GLES3
+	// as we can use hardware-based linear filtering instead of emulating it in the shader
+	// like we're doing here.
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+	vec2 f = fract(pos * (1.0 / shadow_pixel_size) + 0.5);
+	pos -= f * shadow_pixel_size;
+
+	return (
+				   SAMPLE_SHADOW_TEXEL(shadow, pos, depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth) +
+				   SAMPLE_SHADOW_TEXEL(shadow, pos + shadow_pixel_size, depth) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 0.0), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, shadow_pixel_size.y), depth),
+						   f.x) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+						   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+						   f.y) +
+				   mix(
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, -shadow_pixel_size.y), depth),
+								   f.x),
+						   mix(SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(2.0 * shadow_pixel_size.x, 2.0 * shadow_pixel_size.y), depth),
+								   f.x),
+						   f.y)) *
+			(1.0 / 9.0);
+#endif
+
+#ifdef SHADOW_MODE_PCF_5
+
+	spos.xyz /= spos.w;
+	vec2 pos = spos.xy;
+	float depth = spos.z;
+
+	float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth);
+	avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth);
+	return avg * (1.0 / 5.0);
+
+#endif
+
+#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13)
+
+	return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos);
+#endif
+}
+
+#endif
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+varying vec4 fog_interp;
+
+#else
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //vertex lit
+#endif //fog
+
+void main() {
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	if (dp_clip > 0.0)
+		discard;
+#endif
+	highp vec3 vertex = vertex_interp;
+	vec3 view = -normalize(vertex_interp);
+	vec3 albedo = vec3(1.0);
+	vec3 transmission = vec3(0.0);
+	float metallic = 0.0;
+	float specular = 0.5;
+	vec3 emission = vec3(0.0);
+	float roughness = 1.0;
+	float rim = 0.0;
+	float rim_tint = 0.0;
+	float clearcoat = 0.0;
+	float clearcoat_gloss = 0.0;
+	float anisotropy = 0.0;
+	vec2 anisotropy_flow = vec2(1.0, 0.0);
+	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
+
+	float alpha = 1.0;
+	float side = 1.0;
+
+	float specular_blob_intensity = 1.0;
+#if defined(SPECULAR_TOON)
+	specular_blob_intensity *= specular * 2.0;
+#endif
+
+#if defined(ENABLE_AO)
+	float ao = 1.0;
+	float ao_light_affect = 0.0;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	vec3 binormal = normalize(binormal_interp) * side;
+	vec3 tangent = normalize(tangent_interp) * side;
+#else
+	vec3 binormal = vec3(0.0);
+	vec3 tangent = vec3(0.0);
+#endif
+	vec3 normal = normalize(normal_interp) * side;
+
+#if defined(ENABLE_NORMALMAP)
+	vec3 normalmap = vec3(0.5);
+#endif
+	float normaldepth = 1.0;
+
+#if defined(ALPHA_SCISSOR_USED)
+	float alpha_scissor = 0.5;
+#endif
+
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+#if defined(ENABLE_NORMALMAP)
+	normalmap.xy = normalmap.xy * 2.0 - 1.0;
+	normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy)));
+
+	normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side;
+	//normal = normalmap;
+#endif
+
+	normal = normalize(normal);
+
+	vec3 N = normal;
+
+	vec3 specular_light = vec3(0.0, 0.0, 0.0);
+	vec3 diffuse_light = vec3(0.0, 0.0, 0.0);
+	vec3 ambient_light = vec3(0.0, 0.0, 0.0);
+
+	vec3 eye_position = view;
+
+#if !defined(USE_SHADOW_TO_OPACITY)
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifdef BASE_PASS
+
+	// IBL precalculations
+	float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+	vec3 f0 = F0(metallic, specular, albedo);
+	vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0);
+
+#ifdef AMBIENT_LIGHT_DISABLED
+	ambient_light = vec3(0.0, 0.0, 0.0);
+#else
+
+#ifdef USE_RADIANCE_MAP
+
+	vec3 ref_vec = reflect(-eye_position, N);
+	float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
+	ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
+
+	ref_vec.z *= -1.0;
+
+	specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
+	specular_light *= horizon * horizon;
+#ifndef USE_LIGHTMAP
+	{
+		vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
+		vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy;
+		env_ambient *= 1.0 - F;
+
+		ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution);
+	}
+#endif
+
+#else
+
+	ambient_light = ambient_color.rgb;
+	specular_light = bg_color.rgb * bg_energy;
+
+#endif
+#endif // AMBIENT_LIGHT_DISABLED
+	ambient_light *= ambient_energy;
+
+#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	vec4 ambient_accum = vec4(0.0);
+	vec4 reflection_accum = vec4(0.0);
+
+#ifdef USE_REFLECTION_PROBE1
+
+	reflection_process(reflection_probe1,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe1_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe1_ambient_normal,
+#endif
+			refprobe1_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe1_local_matrix,
+			refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
+#endif
+			refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+
+	reflection_process(reflection_probe2,
+#ifdef USE_VERTEX_LIGHTING
+			refprobe2_reflection_normal_blend.rgb,
+#ifndef USE_LIGHTMAP
+			refprobe2_ambient_normal,
+#endif
+			refprobe2_reflection_normal_blend.a,
+#else
+			normal, vertex_interp, refprobe2_local_matrix,
+			refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
+#endif
+			refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness,
+			ambient_light, specular_light, reflection_accum, ambient_accum);
+
+#endif // USE_REFLECTION_PROBE2
+
+	if (reflection_accum.a > 0.0) {
+		specular_light = reflection_accum.rgb / reflection_accum.a;
+	}
+
+#ifndef USE_LIGHTMAP
+	if (ambient_accum.a > 0.0) {
+		ambient_light = ambient_accum.rgb / ambient_accum.a;
+	}
+#endif
+
+#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+
+	// environment BRDF approximation
+	{
+#if defined(DIFFUSE_TOON)
+		//simplify for toon, as
+		specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+		// scales the specular reflections, needs to be be computed before lighting happens,
+		// but after environment and reflection probes are added
+		//TODO: this curve is not really designed for gammaspace, should be adjusted
+		const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+		const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+		vec4 r = roughness * c0 + c1;
+		float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+		vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+		specular_light *= env.x * F + env.y;
+
+#endif
+	}
+
+#ifdef USE_LIGHTMAP
+//ambient light will come entirely from lightmap is lightmap is used
+#if defined(USE_LIGHTMAP_FILTER_BICUBIC)
+	ambient_light = texture2D_bicubic(lightmap, uv2_interp).rgb * lightmap_energy;
+#else
+	ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
+#endif
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+	{
+		vec3 cone_dirs[12];
+		cone_dirs[0] = vec3(0.0, 0.0, 1.0);
+		cone_dirs[1] = vec3(0.866025, 0.0, 0.5);
+		cone_dirs[2] = vec3(0.267617, 0.823639, 0.5);
+		cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5);
+		cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5);
+		cone_dirs[5] = vec3(0.267617, -0.823639, 0.5);
+		cone_dirs[6] = vec3(0.0, 0.0, -1.0);
+		cone_dirs[7] = vec3(0.866025, 0.0, -0.5);
+		cone_dirs[8] = vec3(0.267617, 0.823639, -0.5);
+		cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5);
+		cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5);
+		cone_dirs[11] = vec3(0.267617, -0.823639, -0.5);
+
+		vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+		vec4 captured = vec4(0.0);
+		float sum = 0.0;
+		for (int i = 0; i < 12; i++) {
+			float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+			captured += lightmap_captures[i] * amount;
+			sum += amount;
+		}
+
+		captured /= sum;
+
+		// Alpha channel is used to indicate if dynamic objects keep the environment lighting
+		if (lightmap_captures[0].a > 0.5) {
+			ambient_light += captured.rgb;
+		} else {
+			ambient_light = captured.rgb;
+		}
+	}
+#endif
+
+#endif //BASE PASS
+
+//
+// Lighting
+//
+#ifdef USE_LIGHTING
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 L;
+#endif
+	vec3 light_att = vec3(1.0);
+
+#ifdef LIGHT_MODE_OMNI
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = light_position - vertex;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+	L = normalize(light_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+		float shadow_len = length(splane.xyz);
+
+		splane.xyz = normalize(splane.xyz);
+
+		vec4 clamp_rect = light_clamp;
+
+		if (splane.z >= 0.0) {
+			splane.z += 1.0;
+
+			clamp_rect.y += clamp_rect.w;
+		} else {
+			splane.z = 1.0 - splane.z;
+		}
+
+		splane.xy /= splane.z;
+		splane.xy = splane.xy * 0.5 + 0.5;
+		splane.z = shadow_len / light_range;
+
+		splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw;
+		splane.w = 1.0;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif //SHADOWS_DISABLED
+
+#endif //type omni
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+#ifndef USE_VERTEX_LIGHTING
+	vec3 light_vec = -light_direction;
+	L = normalize(light_vec);
+#endif
+	float depth_z = -vertex.z;
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+
+#ifdef USE_VERTEX_LIGHTING
+	//compute shadows in a mobile friendly way
+
+#ifdef LIGHT_USE_PSSM4
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+	float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3);
+	float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4);
+
+	if (depth_z < light_split_offsets.w) {
+		float pssm_fade = 0.0;
+		float shadow_att = 1.0;
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.y) {
+			if (depth_z < light_split_offsets.x) {
+				shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow2;
+
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				shadow_att = shadow2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				shadow_att2 = shadow3;
+
+				pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+			}
+		} else {
+			if (depth_z < light_split_offsets.z) {
+				shadow_att = shadow3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				shadow_att2 = shadow4;
+				pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+			} else {
+				shadow_att = shadow4;
+				pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+				use_blend = false;
+#endif
+			}
+		}
+#if defined(LIGHT_USE_PSSM_BLEND)
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+
+	//take advantage of prefetch
+	float shadow1 = sample_shadow(light_directional_shadow, shadow_coord);
+	float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2);
+
+	if (depth_z < light_split_offsets.y) {
+		float shadow_att = 1.0;
+		float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+		float shadow_att2 = 1.0;
+		float pssm_blend = 0.0;
+		bool use_blend = true;
+#endif
+		if (depth_z < light_split_offsets.x) {
+			float pssm_fade = 0.0;
+			shadow_att = shadow1;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			shadow_att2 = shadow2;
+			pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+		} else {
+			shadow_att = shadow2;
+			pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+			use_blend = false;
+#endif
+		}
+#ifdef LIGHT_USE_PSSM_BLEND
+		if (use_blend) {
+			shadow_att = mix(shadow_att, shadow_att2, pssm_blend);
+		}
+#endif
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att);
+	}
+
+#endif //LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+
+	light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord));
+#endif //orthogonal
+
+#else //fragment version of pssm
+
+	{
+#ifdef LIGHT_USE_PSSM4
+		if (depth_z < light_split_offsets.w) {
+#elif defined(LIGHT_USE_PSSM2)
+		if (depth_z < light_split_offsets.y) {
+#else
+		if (depth_z < light_split_offsets.x) {
+#endif //pssm2
+
+			highp vec4 pssm_coord;
+			float pssm_fade = 0.0;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			float pssm_blend;
+			highp vec4 pssm_coord2;
+			bool use_blend = true;
+#endif
+
+#ifdef LIGHT_USE_PSSM4
+
+			if (depth_z < light_split_offsets.y) {
+				if (depth_z < light_split_offsets.x) {
+					pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord2;
+
+					pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+				} else {
+					pssm_coord = shadow_coord2;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+					pssm_coord2 = shadow_coord3;
+
+					pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#endif
+				}
+			} else {
+				if (depth_z < light_split_offsets.z) {
+					pssm_coord = shadow_coord3;
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					pssm_coord2 = shadow_coord4;
+					pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z);
+#endif
+
+				} else {
+					pssm_coord = shadow_coord4;
+					pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z);
+
+#if defined(LIGHT_USE_PSSM_BLEND)
+					use_blend = false;
+#endif
+				}
+			}
+
+#endif // LIGHT_USE_PSSM4
+
+#ifdef LIGHT_USE_PSSM2
+			if (depth_z < light_split_offsets.x) {
+				pssm_coord = shadow_coord;
+
+#ifdef LIGHT_USE_PSSM_BLEND
+				pssm_coord2 = shadow_coord2;
+				pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z);
+#endif
+			} else {
+				pssm_coord = shadow_coord2;
+				pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z);
+#ifdef LIGHT_USE_PSSM_BLEND
+				use_blend = false;
+#endif
+			}
+
+#endif // LIGHT_USE_PSSM2
+
+#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2)
+			{
+				pssm_coord = shadow_coord;
+			}
+#endif
+
+			float shadow = sample_shadow(light_directional_shadow, pssm_coord);
+
+#ifdef LIGHT_USE_PSSM_BLEND
+			if (use_blend) {
+				shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend);
+			}
+#endif
+
+			light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+		}
+	}
+#endif //use vertex lighting
+
+#endif //use shadow
+
+#endif // SHADOWS_DISABLED
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	light_att = vec3(1.0);
+
+#ifndef USE_VERTEX_LIGHTING
+
+	vec3 light_rel_vec = light_position - vertex;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#if !defined(SHADOWS_DISABLED)
+
+#ifdef USE_SHADOW
+	{
+		highp vec4 splane = shadow_coord;
+
+		float shadow = sample_shadow(light_shadow_atlas, splane);
+		light_att *= mix(shadow_color.rgb, vec3(1.0), shadow);
+	}
+#endif
+
+#endif // SHADOWS_DISABLED
+
+#endif // LIGHT_MODE_SPOT
+
+#ifdef USE_VERTEX_LIGHTING
+	//vertex lighting
+	specular_light += specular_interp * albedo * specular * specular_blob_intensity * light_att;
+	diffuse_light += diffuse_interp * albedo * light_att;
+
+#else
+	//fragment lighting
+	light_compute(
+			normal,
+			L,
+			eye_position,
+			binormal,
+			tangent,
+			light_color.xyz,
+			light_att,
+			albedo,
+			transmission,
+			specular_blob_intensity * light_specular,
+			roughness,
+			metallic,
+			specular,
+			rim,
+			rim_tint,
+			clearcoat,
+			clearcoat_gloss,
+			anisotropy,
+			diffuse_light,
+			specular_light,
+			alpha);
+
+#endif //vertex lighting
+
+#endif //USE_LIGHTING
+	//compute and merge
+
+#ifdef USE_SHADOW_TO_OPACITY
+
+	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+	if (alpha < alpha_scissor) {
+		discard;
+	}
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_DEPTH_PREPASS
+	if (alpha < 0.1) {
+		discard;
+	}
+#endif // USE_DEPTH_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
+
+#ifndef RENDER_DEPTH
+
+#ifdef SHADELESS
+
+	gl_FragColor = vec4(albedo, alpha);
+#else
+
+	ambient_light *= albedo;
+
+#if defined(ENABLE_AO)
+	ambient_light *= ao;
+	ao_light_affect = mix(1.0, ao, ao_light_affect);
+	specular_light *= ao_light_affect;
+	diffuse_light *= ao_light_affect;
+#endif
+
+	diffuse_light *= 1.0 - metallic;
+	ambient_light *= 1.0 - metallic;
+
+	gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha);
+
+	//add emission if in base pass
+#ifdef BASE_PASS
+	gl_FragColor.rgb += emission;
+#endif
+	// gl_FragColor = vec4(normal, 1.0);
+
+//apply fog
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#if defined(USE_VERTEX_LIGHTING)
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_interp.a);
+#endif // BASE_PASS
+
+#else //pixel based fog
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+
+		if (fog_transmit_enabled) {
+			vec3 total_light = gl_FragColor.rgb;
+			float transmit = pow(fog_z, fog_transmit_curve);
+			fog_color = mix(max(total_light, fog_color), fog_color, transmit);
+		}
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+
+#if defined(BASE_PASS)
+	gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount);
+#else
+	gl_FragColor.rgb *= (1.0 - fog_amount);
+#endif // BASE_PASS
+
+#endif //use vertex lit
+
+#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+#endif //unshaded
+
+#ifdef OUTPUT_LINEAR
+	// sRGB -> linear
+	gl_FragColor.rgb = mix(pow((gl_FragColor.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), gl_FragColor.rgb * (1.0 / 12.92), vec3(lessThan(gl_FragColor.rgb, vec3(0.04045))));
+#endif
+
+#else // not RENDER_DEPTH
+//depth render
+#ifdef USE_RGBA_SHADOWS
+
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias
+	highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0));
+	comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);
+	gl_FragColor = comp;
+
+#endif
+#endif
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_LIGHTMAP_FILTER_BICUBIC
+
+#define LIGHT_MODE_DIRECTIONAL
+#define USE_LIGHTING
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+// Default to high precision variables for the vertex shader.
+// Note that the fragment shader however may default to mediump on mobile for performance,
+// and thus shared uniforms should use a specifier to be consistent in both shaders.
+precision highp float;
+precision highp int;
+#endif
+
+#if defined(ENSURE_CORRECT_NORMALS)
+#define INVERSE_USED
+#endif
+
+/* clang-format on */
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+/* clang-format off */
+
+#define SHADER_IS_SRGB true
+
+#define M_PI 3.14159265359
+
+//
+// attributes
+//
+
+attribute highp vec4 vertex_attrib; // attrib:0
+/* clang-format on */
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+attribute vec4 normal_tangent_attrib; // attrib:1
+#else
+attribute vec3 normal_attrib; // attrib:1
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+// packed into normal_attrib zw component
+#else
+attribute vec4 tangent_attrib; // attrib:2
+#endif
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+attribute vec4 color_attrib; // attrib:3
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+attribute vec2 uv_attrib; // attrib:4
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+attribute vec2 uv2_attrib; // attrib:5
+#endif
+
+#ifdef USE_SKELETON
+
+#ifdef USE_SKELETON_SOFTWARE
+
+attribute highp vec4 bone_transform_row_0; // attrib:13
+attribute highp vec4 bone_transform_row_1; // attrib:14
+attribute highp vec4 bone_transform_row_2; // attrib:15
+
+#else
+
+attribute vec4 bone_ids; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+
+uniform highp sampler2D bone_transforms; // texunit:-1
+uniform ivec2 skeleton_texture_size;
+
+#endif
+
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform_row_0; // attrib:8
+attribute highp vec4 instance_xform_row_1; // attrib:9
+attribute highp vec4 instance_xform_row_2; // attrib:10
+
+attribute highp vec4 instance_color; // attrib:11
+attribute highp vec4 instance_custom_data; // attrib:12
+
+#endif
+
+//
+// uniforms
+//
+
+uniform highp mat4 camera_matrix;
+uniform highp mat4 camera_inverse_matrix;
+uniform highp mat4 projection_matrix;
+uniform highp mat4 projection_inverse_matrix;
+
+uniform highp mat4 world_transform;
+
+uniform highp float time;
+
+uniform highp vec2 viewport_size;
+
+#ifdef RENDER_DEPTH
+uniform float light_bias;
+uniform float light_normal_bias;
+#endif
+
+uniform highp int view_index;
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+vec3 oct_to_vec3(vec2 e) {
+	vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+	float t = max(-v.z, 0.0);
+	v.xy += t * -sign(v.xy);
+	return normalize(v);
+}
+#endif
+
+//
+// varyings
+//
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+varying highp vec4 position_interp;
+#endif
+
+varying highp vec3 vertex_interp;
+varying vec3 normal_interp;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+varying vec3 tangent_interp;
+varying vec3 binormal_interp;
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+varying vec4 color_interp;
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+varying vec2 uv_interp;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+varying vec2 uv2_interp;
+#endif
+
+/* clang-format off */
+
+
+/* clang-format on */
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+varying highp float dp_clip;
+uniform highp float shadow_dual_paraboloid_render_zfar;
+uniform highp float shadow_dual_paraboloid_render_side;
+
+#endif
+
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+uniform highp mat4 light_shadow_matrix;
+varying highp vec4 shadow_coord;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+uniform highp mat4 light_shadow_matrix2;
+varying highp vec4 shadow_coord2;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+
+uniform highp mat4 light_shadow_matrix3;
+uniform highp mat4 light_shadow_matrix4;
+varying highp vec4 shadow_coord3;
+varying highp vec4 shadow_coord4;
+
+#endif
+
+#endif
+
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+
+varying highp vec3 diffuse_interp;
+varying highp vec3 specular_interp;
+
+// general for all lights
+uniform highp vec4 light_color;
+uniform highp vec4 shadow_color;
+uniform highp float light_specular;
+
+// directional
+uniform highp vec3 light_direction;
+
+// omni
+uniform highp vec3 light_position;
+
+uniform highp float light_range;
+uniform highp float light_attenuation;
+
+// spot
+uniform highp float light_spot_attenuation;
+uniform highp float light_spot_range;
+uniform highp float light_spot_angle;
+
+float get_omni_attenuation(float distance, float inv_range, float decay) {
+	float nd = distance * inv_range;
+	nd *= nd;
+	nd *= nd; // nd^4
+	nd = max(1.0 - nd, 0.0);
+	nd *= nd; // nd^2
+	return nd * pow(max(distance, 0.0001), -decay);
+}
+
+void light_compute(
+		vec3 N,
+		vec3 L,
+		vec3 V,
+		vec3 light_color,
+		vec3 attenuation,
+		float roughness) {
+//this makes lights behave closer to linear, but then addition of lights looks bad
+//better left disabled
+
+//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545);
+/*
+#define SRGB_APPROX(m_var) {\
+	float S1 = sqrt(m_var);\
+	float S2 = sqrt(S1);\
+	float S3 = sqrt(S2);\
+	m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\
+	}
+*/
+#define SRGB_APPROX(m_var)
+
+	float NdotL = dot(N, L);
+	float cNdotL = max(NdotL, 0.0); // clamped NdotL
+	float NdotV = dot(N, V);
+	float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+	vec3 diffuse_brdf_NL;
+#else
+	float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+	// energy conserving lambert wrap shader
+	diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+	{
+		// see http://mimosa-pudica.net/improved-oren-nayar.html
+		float LdotV = dot(L, V);
+
+		float s = LdotV - NdotL * NdotV;
+		float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+		float sigma2 = roughness * roughness; // TODO: this needs checking
+		vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+		float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+		diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+	}
+#else
+	// lambert by default for everything else
+	diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+	SRGB_APPROX(diffuse_brdf_NL)
+
+	diffuse_interp += light_color * diffuse_brdf_NL * attenuation;
+
+	if (roughness > 0.0) {
+		// D
+		float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+		//normalized blinn always unless disabled
+		vec3 H = normalize(V + L);
+		float cNdotH = max(dot(N, H), 0.0);
+		float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+		float blinn = pow(cNdotH, shininess);
+		blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI));
+		specular_brdf_NL = blinn;
+#endif
+
+		SRGB_APPROX(specular_brdf_NL)
+		specular_interp += specular_brdf_NL * light_color * attenuation;
+	}
+}
+
+#endif
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+
+uniform highp mat4 refprobe1_local_matrix;
+varying mediump vec4 refprobe1_reflection_normal_blend;
+uniform highp vec3 refprobe1_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe1_ambient_normal;
+#endif
+
+#endif //reflection probe1
+
+#ifdef USE_REFLECTION_PROBE2
+
+uniform highp mat4 refprobe2_local_matrix;
+varying mediump vec4 refprobe2_reflection_normal_blend;
+uniform highp vec3 refprobe2_box_extents;
+
+#ifndef USE_LIGHTMAP
+varying mediump vec3 refprobe2_ambient_normal;
+#endif
+
+#endif //reflection probe2
+
+#endif //vertex lighting for refprobes
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+varying vec4 fog_interp;
+
+uniform mediump vec4 fog_color_base;
+#ifdef LIGHT_MODE_DIRECTIONAL
+uniform mediump vec4 fog_sun_color_amount;
+#endif
+
+uniform bool fog_transmit_enabled;
+uniform mediump float fog_transmit_curve;
+
+#ifdef FOG_DEPTH_ENABLED
+uniform highp float fog_depth_begin;
+uniform mediump float fog_depth_curve;
+uniform mediump float fog_max_distance;
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+uniform highp float fog_height_min;
+uniform highp float fog_height_max;
+uniform mediump float fog_height_curve;
+#endif
+
+#endif //fog
+
+void main() {
+	highp vec4 vertex = vertex_attrib;
+
+	mat4 world_matrix = world_transform;
+
+#ifdef USE_INSTANCING
+	{
+		highp mat4 m = mat4(
+				instance_xform_row_0,
+				instance_xform_row_1,
+				instance_xform_row_2,
+				vec4(0.0, 0.0, 0.0, 1.0));
+		world_matrix = world_matrix * transpose(m);
+	}
+
+#endif
+
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 normal = oct_to_vec3(normal_tangent_attrib.xy);
+#else
+	vec3 normal = normal_attrib;
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+#ifdef ENABLE_OCTAHEDRAL_COMPRESSION
+	vec3 tangent = oct_to_vec3(vec2(normal_tangent_attrib.z, abs(normal_tangent_attrib.w) * 2.0 - 1.0));
+	float binormalf = sign(normal_tangent_attrib.w);
+#else
+	vec3 tangent = tangent_attrib.xyz;
+	float binormalf = tangent_attrib.a;
+#endif
+	vec3 binormal = normalize(cross(normal, tangent) * binormalf);
+#endif
+
+#if defined(ENABLE_COLOR_INTERP)
+	color_interp = color_attrib;
+#ifdef USE_INSTANCING
+	color_interp *= instance_color;
+#endif
+#endif
+
+#if defined(ENABLE_UV_INTERP)
+	uv_interp = uv_attrib;
+#endif
+
+#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP)
+	uv2_interp = uv2_attrib;
+#endif
+
+#if defined(OVERRIDE_POSITION)
+	highp vec4 position;
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = world_matrix * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(world_matrix)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((world_matrix * vec4(normal, 0.0)).xyz);
+#endif
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+
+	tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#ifdef USE_SKELETON
+
+	highp mat4 bone_transform = mat4(0.0);
+
+#ifdef USE_SKELETON_SOFTWARE
+	// passing the transform as attributes
+
+	bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0);
+	bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0);
+	bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0);
+	bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0);
+
+#else
+	// look up transform from the "pose texture"
+	{
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += transpose(b) * bone_weights[i];
+		}
+	}
+
+#endif
+
+	world_matrix = world_matrix * bone_transform;
+
+#endif
+
+#ifdef USE_INSTANCING
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+
+#endif
+
+	mat4 local_projection_matrix = projection_matrix;
+
+	mat4 modelview = camera_inverse_matrix * world_matrix;
+	float roughness = 1.0;
+
+#define projection_matrix local_projection_matrix
+#define world_transform world_matrix
+
+	float point_size = 1.0;
+
+	{
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+	vec4 outvec = vertex;
+
+	// use local coordinates
+#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED)
+	vertex = modelview * vertex;
+#if defined(ENSURE_CORRECT_NORMALS)
+	mat3 normal_matrix = mat3(transpose(inverse(modelview)));
+	normal = normal_matrix * normal;
+#else
+	normal = normalize((modelview * vec4(normal, 0.0)).xyz);
+#endif
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((modelview * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((modelview * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED)
+	vertex = camera_inverse_matrix * vertex;
+	normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz);
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz);
+	binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz);
+#endif
+#endif
+
+	vertex_interp = vertex.xyz;
+	normal_interp = normal;
+
+#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP)
+	tangent_interp = tangent;
+	binormal_interp = binormal;
+#endif
+
+#ifdef RENDER_DEPTH
+
+#ifdef RENDER_DEPTH_DUAL_PARABOLOID
+
+	vertex_interp.z *= shadow_dual_paraboloid_render_side;
+	normal_interp.z *= shadow_dual_paraboloid_render_side;
+
+	dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias
+
+	//for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges
+
+	highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias;
+	highp float distance = length(vtx);
+	vtx = normalize(vtx);
+	vtx.xy /= 1.0 - vtx.z;
+	vtx.z = (distance / shadow_dual_paraboloid_render_zfar);
+	vtx.z = vtx.z * 2.0 - 1.0;
+
+	vertex_interp = vtx;
+
+#else
+	float z_ofs = light_bias;
+	z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias;
+
+	vertex_interp.z -= z_ofs;
+#endif //dual parabolloid
+
+#endif //depth
+
+//vertex lighting
+#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING)
+	//vertex shaded version of lighting (more limited)
+	vec3 L;
+	vec3 light_att;
+
+#ifdef LIGHT_MODE_OMNI
+	vec3 light_vec = light_position - vertex_interp;
+	float light_length = length(light_vec);
+
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float omni_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		light_att = vec3(omni_attenuation);
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_SPOT
+
+	vec3 light_rel_vec = light_position - vertex_interp;
+	float light_length = length(light_rel_vec);
+	float normalized_distance = light_length / light_range;
+
+	if (normalized_distance < 1.0) {
+#ifdef USE_PHYSICAL_LIGHT_ATTENUATION
+		float spot_attenuation = get_omni_attenuation(light_length, 1.0 / light_range, light_attenuation);
+#else
+		float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation);
+#endif
+
+		vec3 spot_dir = light_direction;
+
+		float spot_cutoff = light_spot_angle;
+
+		float angle = dot(-normalize(light_rel_vec), spot_dir);
+
+		if (angle > spot_cutoff) {
+			float scos = max(angle, spot_cutoff);
+			float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff));
+
+			spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation);
+
+			light_att = vec3(spot_attenuation);
+		} else {
+			light_att = vec3(0.0);
+		}
+	} else {
+		light_att = vec3(0.0);
+	}
+
+	L = normalize(light_rel_vec);
+
+#endif
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+	vec3 light_vec = -light_direction;
+	light_att = vec3(1.0); //no base attenuation
+	L = normalize(light_vec);
+#endif
+
+	diffuse_interp = vec3(0.0);
+	specular_interp = vec3(0.0);
+	light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness);
+
+#endif
+
+//shadows (for both vertex and fragment)
+#if defined(USE_SHADOW) && defined(USE_LIGHTING)
+
+	vec4 vi4 = vec4(vertex_interp, 1.0);
+	shadow_coord = light_shadow_matrix * vi4;
+
+#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4)
+	shadow_coord2 = light_shadow_matrix2 * vi4;
+#endif
+
+#if defined(LIGHT_USE_PSSM4)
+	shadow_coord3 = light_shadow_matrix3 * vi4;
+	shadow_coord4 = light_shadow_matrix4 * vi4;
+
+#endif
+
+#endif //use shadow and use lighting
+
+#ifdef USE_VERTEX_LIGHTING
+
+#ifdef USE_REFLECTION_PROBE1
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe1_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe1_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe1_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE1
+
+#ifdef USE_REFLECTION_PROBE2
+	{
+		vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp));
+		vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz;
+		vec3 inner_pos = abs(local_pos / refprobe2_box_extents);
+		float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
+
+		{
+			vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz;
+			refprobe2_reflection_normal_blend.xyz = local_ref_vec;
+			refprobe2_reflection_normal_blend.a = blend;
+		}
+#ifndef USE_LIGHTMAP
+
+		refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz;
+#endif
+	}
+
+#endif //USE_REFLECTION_PROBE2
+
+#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED)
+
+	float fog_amount = 0.0;
+
+#ifdef LIGHT_MODE_DIRECTIONAL
+
+	vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0));
+#else
+	vec3 fog_color = fog_color_base.rgb;
+#endif
+
+#ifdef FOG_DEPTH_ENABLED
+
+	{
+		float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex));
+
+		fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a;
+	}
+#endif
+
+#ifdef FOG_HEIGHT_ENABLED
+	{
+		float y = (camera_matrix * vec4(vertex_interp, 1.0)).y;
+		fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve));
+	}
+#endif
+	fog_interp = vec4(fog_color, fog_amount);
+
+#endif //fog
+
+#endif //use vertex lighting
+
+#if defined(OVERRIDE_POSITION)
+	gl_Position = position;
+#else
+	gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
+
+#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS)
+	position_interp = gl_Position;
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/91-8.shader_test b/shaders/godot3.4/91-8.shader_test
new file mode 100644
index 0000000..b0cfad0
--- /dev/null
+++ b/shaders/godot3.4/91-8.shader_test
@@ -0,0 +1,1681 @@
+[require]
+GLSL >= 1.20
+
+[fragment shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
+#ifndef USE_GLES_OVER_GL
+#ifdef GL_EXT_shader_texture_lod
+#extension GL_EXT_shader_texture_lod : enable
+#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
+#endif
+#endif // !USE_GLES_OVER_GL
+
+#ifdef GL_ARB_shader_texture_lod
+#extension GL_ARB_shader_texture_lod : enable
+#endif
+
+#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
+#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
+#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
+#endif
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+#if defined(USE_HIGHP_PRECISION)
+precision highp float;
+precision highp int;
+#else
+precision mediump float;
+precision mediump int;
+#endif
+#endif
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform sampler2D color_texture; // texunit:-1
+/* clang-format on */
+uniform highp vec2 color_texpixel_size;
+uniform mediump sampler2D normal_texture; // texunit:-2
+
+varying mediump vec2 uv_interp;
+varying mediump vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+varying mediump vec4 modulate_interp;
+#endif
+
+uniform highp float time;
+
+uniform vec4 final_modulate;
+
+#ifdef SCREEN_TEXTURE_USED
+
+uniform sampler2D screen_texture; // texunit:-4
+
+#endif
+
+#ifdef SCREEN_UV_USED
+
+uniform vec2 screen_pixel_size;
+
+#endif
+
+#ifdef USE_LIGHTING
+
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+uniform lowp sampler2D light_texture; // texunit:-6
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+
+uniform highp sampler2D shadow_texture; // texunit:-5
+varying highp vec2 pos;
+
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+uniform bool use_default_normal;
+
+/* clang-format off */
+uniform highp vec2 m_player1_position;
+uniform highp vec2 m_viewport_size;
+uniform bool m_split_active;
+uniform highp vec2 m_player2_position;
+uniform highp vec4 m_split_line_color;
+uniform highp sampler2D m_viewport2;
+uniform highp float m_split_line_thickness;
+uniform highp sampler2D m_viewport1;
+
+float m_distanceToLine(in vec2 m_p1, in vec2 m_p2, in vec2 m_point)
+{
+	float m_a = (m_p1.y - m_p2.y);
+	float m_b = (m_p2.x - m_p1.x);
+	return (abs(((((m_a * m_point.x) + (m_b * m_point.y)) + (m_p1.x * m_p2.y)) - (m_p2.x * m_p1.y))) / sqrt(((m_a * m_a) + (m_b * m_b))));
+}
+
+
+/* clang-format on */
+
+void light_compute(
+		inout vec4 light,
+		inout vec2 light_vec,
+		inout float light_height,
+		inout vec4 light_color,
+		vec2 light_uv,
+		inout vec4 shadow_color,
+		inout vec2 shadow_vec,
+		vec3 normal,
+		vec2 uv,
+#if defined(SCREEN_UV_USED)
+		vec2 screen_uv,
+#endif
+		vec4 color) {
+
+#if defined(USE_LIGHT_SHADER_CODE)
+
+	/* clang-format off */
+
+
+	/* clang-format on */
+
+#endif
+}
+
+void main() {
+	vec4 color = color_interp;
+	vec2 uv = uv_interp;
+#ifdef USE_FORCE_REPEAT
+	//needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it
+	uv = mod(uv, vec2(1.0, 1.0));
+#endif
+
+#if !defined(COLOR_USED)
+	//default behavior, texture by color
+	color *= texture2D(color_texture, uv);
+#endif
+
+#ifdef SCREEN_UV_USED
+	vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size;
+#endif
+
+	vec3 normal;
+
+#if defined(NORMAL_USED)
+
+	bool normal_used = true;
+#else
+	bool normal_used = false;
+#endif
+
+	if (use_default_normal) {
+		normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0;
+		normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
+		normal_used = true;
+	} else {
+		normal = vec3(0.0, 0.0, 1.0);
+	}
+
+	{
+		float normal_depth = 1.0;
+
+#if defined(NORMALMAP_USED)
+		vec3 normal_map = vec3(0.0, 0.0, 1.0);
+		normal_used = true;
+#endif
+
+		// If larger fvfs are used, final_modulate is passed as an attribute.
+		// we need to read from this in custom fragment shaders or applying in the post step,
+		// rather than using final_modulate directly.
+#if defined(final_modulate_alias)
+#undef final_modulate_alias
+#endif
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_interp
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+		/* clang-format off */
+{
+	vec3 m_view1 = texture2D(m_viewport1, uv).rgb;
+	vec3 m_view2 = texture2D(m_viewport2, uv).rgb;
+	float m_width = m_viewport_size.x;
+	float m_height = m_viewport_size.y;
+	if (m_split_active)
+	{
+			{
+		vec2 m_dx = (m_player2_position - m_player1_position);
+		float m_split_slope;
+		if ((m_dx.y != 0.0))
+		{
+					{
+			m_split_slope = (m_dx.x / m_dx.y);
+		}
+;
+		}
+		else
+		{
+					{
+			m_split_slope = 100000.0;
+		}
+;
+		}
+		vec2 m_split_origin = vec2(0.5,0.5);
+		vec2 m_split_line_start = vec2(0.0, (m_height * (((m_split_origin.x - 0.0) * m_split_slope) + m_split_origin.y)));
+		vec2 m_split_line_end = vec2(m_width, (m_height * (((m_split_origin.x - 1.0) * m_split_slope) + m_split_origin.y)));
+		float m_distance_to_split_line = m_distanceToLine(m_split_line_start, m_split_line_end, vec2((uv.x * m_width), (uv.y * m_height)));
+		if ((m_distance_to_split_line < m_split_line_thickness))
+		{
+					{
+			color = m_split_line_color;
+		}
+;
+		}
+		else
+		{
+					{
+			float m_split_current_y = (((m_split_origin.x - uv.x) * m_split_slope) + m_split_origin.y);
+			float m_split_player1_position_y = (((m_split_origin.x - m_player1_position.x) * m_split_slope) + m_split_origin.y);
+			if ((uv.y > m_split_current_y))
+			{
+							{
+				if ((m_player1_position.y > m_split_player1_position_y))
+				{
+									{
+					color = vec4(m_view1, 1.0);
+				}
+;
+				}
+				else
+				{
+									{
+					color = vec4(m_view2, 1.0);
+				}
+;
+				}
+			}
+;
+			}
+			else
+			{
+							{
+				if ((m_player1_position.y < m_split_player1_position_y))
+				{
+									{
+					color = vec4(m_view1, 1.0);
+				}
+;
+				}
+				else
+				{
+									{
+					color = vec4(m_view2, 1.0);
+				}
+;
+				}
+			}
+;
+			}
+		}
+;
+		}
+	}
+;
+	}
+	else
+	{
+			{
+		color = vec4(m_view1, 1.0);
+	}
+;
+	}
+}
+
+
+		/* clang-format on */
+
+#if defined(NORMALMAP_USED)
+		normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth);
+#endif
+	}
+
+#if !defined(MODULATE_USED)
+	color *= final_modulate_alias;
+#endif
+
+#ifdef USE_LIGHTING
+
+	vec2 light_vec = transformed_light_uv;
+	vec2 shadow_vec = transformed_light_uv;
+
+	if (normal_used) {
+		normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy;
+	}
+
+	float att = 1.0;
+
+	vec2 light_uv = light_uv_interp.xy;
+	vec4 light = texture2D(light_texture, light_uv);
+
+	if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) {
+		color.a *= light_outside_alpha; //invisible
+
+	} else {
+		float real_light_height = light_height;
+		vec4 real_light_color = light_color;
+		vec4 real_light_shadow_color = light_shadow_color;
+
+#if defined(USE_LIGHT_SHADER_CODE)
+		//light is written by the light shader
+		light_compute(
+				light,
+				light_vec,
+				real_light_height,
+				real_light_color,
+				light_uv,
+				real_light_shadow_color,
+				shadow_vec,
+				normal,
+				uv,
+#if defined(SCREEN_UV_USED)
+				screen_uv,
+#endif
+				color);
+#endif
+
+		light *= real_light_color;
+
+		if (normal_used) {
+			vec3 light_normal = normalize(vec3(light_vec, -real_light_height));
+			light *= max(dot(-light_normal, normal), 0.0);
+		}
+
+		color *= light;
+
+#ifdef USE_SHADOWS
+
+#ifdef SHADOW_VEC_USED
+		mat3 inverse_light_matrix = mat3(light_matrix);
+		inverse_light_matrix[0] = normalize(inverse_light_matrix[0]);
+		inverse_light_matrix[1] = normalize(inverse_light_matrix[1]);
+		inverse_light_matrix[2] = normalize(inverse_light_matrix[2]);
+		shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy;
+#else
+		shadow_vec = light_uv_interp.zw;
+#endif
+
+		float angle_to_light = -atan(shadow_vec.x, shadow_vec.y);
+		float PI = 3.14159265358979323846264;
+		/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
+		float ang*/
+
+		float su, sz;
+
+		float abs_angle = abs(angle_to_light);
+		vec2 point;
+		float sh;
+		if (abs_angle < 45.0 * PI / 180.0) {
+			point = shadow_vec;
+			sh = 0.0 + (1.0 / 8.0);
+		} else if (abs_angle > 135.0 * PI / 180.0) {
+			point = -shadow_vec;
+			sh = 0.5 + (1.0 / 8.0);
+		} else if (angle_to_light > 0.0) {
+			point = vec2(shadow_vec.y, -shadow_vec.x);
+			sh = 0.25 + (1.0 / 8.0);
+		} else {
+			point = vec2(-shadow_vec.y, shadow_vec.x);
+			sh = 0.75 + (1.0 / 8.0);
+		}
+
+		highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0);
+		s.xyz /= s.w;
+		su = s.x * 0.5 + 0.5;
+		sz = s.z * 0.5 + 0.5;
+		//sz=lightlength(light_vec);
+
+		highp float shadow_attenuation = 0.0;
+
+#ifdef USE_RGBA_SHADOWS
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0))
+
+#else
+
+#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r)
+
+#endif
+
+#ifdef SHADOW_USE_GRADIENT
+
+		/* clang-format off */
+		/* GLSL es 100 doesn't support line continuation characters(backslashes) */
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
+
+#else
+
+#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
+		/* clang-format on */
+
+#endif
+
+#ifdef SHADOW_FILTER_NEAREST
+
+		SHADOW_TEST(su);
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF3
+
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		shadow_attenuation /= 3.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF5
+
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		shadow_attenuation /= 5.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF7
+
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		shadow_attenuation /= 7.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF9
+
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		shadow_attenuation /= 9.0;
+
+#endif
+
+#ifdef SHADOW_FILTER_PCF13
+
+		SHADOW_TEST(su + shadowpixel_size * 6.0);
+		SHADOW_TEST(su + shadowpixel_size * 5.0);
+		SHADOW_TEST(su + shadowpixel_size * 4.0);
+		SHADOW_TEST(su + shadowpixel_size * 3.0);
+		SHADOW_TEST(su + shadowpixel_size * 2.0);
+		SHADOW_TEST(su + shadowpixel_size);
+		SHADOW_TEST(su);
+		SHADOW_TEST(su - shadowpixel_size);
+		SHADOW_TEST(su - shadowpixel_size * 2.0);
+		SHADOW_TEST(su - shadowpixel_size * 3.0);
+		SHADOW_TEST(su - shadowpixel_size * 4.0);
+		SHADOW_TEST(su - shadowpixel_size * 5.0);
+		SHADOW_TEST(su - shadowpixel_size * 6.0);
+		shadow_attenuation /= 13.0;
+
+#endif
+
+		//color *= shadow_attenuation;
+		color = mix(real_light_shadow_color, color, shadow_attenuation);
+//use shadows
+#endif
+	}
+
+//use lighting
+#endif
+
+#ifdef LINEAR_TO_SRGB
+	// regular Linear -> SRGB conversion
+	vec3 a = vec3(0.055);
+	color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, vec3(lessThan(color.rgb, vec3(0.0031308))));
+#endif
+
+	gl_FragColor = color;
+}
+
+[vertex shader]
+#version 120
+#define USE_GLES_OVER_GL
+#define USE_TEXTURE_RECT
+#define COLOR_USED
+
+#ifdef USE_GLES_OVER_GL
+#define lowp
+#define mediump
+#define highp
+#else
+precision highp float;
+precision highp int;
+#endif
+
+uniform highp mat4 projection_matrix;
+/* clang-format on */
+
+
+vec2 select2(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+vec3 select3(vec3 a, vec3 b, bvec3 c) {
+	vec3 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+
+	return ret;
+}
+
+vec4 select4(vec4 a, vec4 b, bvec4 c) {
+	vec4 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+	ret.z = c.z ? b.z : a.z;
+	ret.w = c.w ? b.w : a.w;
+
+	return ret;
+}
+
+highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) {
+	float x_coord = float(2 * coord.x + 1) / float(size.x * 2);
+	float y_coord = float(2 * coord.y + 1) / float(size.y * 2);
+
+	return texture2DLod(tex, vec2(x_coord, y_coord), 0.0);
+}
+
+#if defined(SINH_USED)
+
+highp float sinh(highp float x) {
+	return 0.5 * (exp(x) - exp(-x));
+}
+
+highp vec2 sinh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y));
+}
+
+highp vec3 sinh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z));
+}
+
+highp vec4 sinh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w));
+}
+
+#endif
+
+#if defined(COSH_USED)
+
+highp float cosh(highp float x) {
+	return 0.5 * (exp(x) + exp(-x));
+}
+
+highp vec2 cosh(highp vec2 x) {
+	return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y));
+}
+
+highp vec3 cosh(highp vec3 x) {
+	return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z));
+}
+
+highp vec4 cosh(highp vec4 x) {
+	return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w));
+}
+
+#endif
+
+#if defined(TANH_USED)
+
+highp float tanh(highp float x) {
+	highp float exp2x = exp(2.0 * x);
+	return (exp2x - 1.0) / (exp2x + 1.0);
+}
+
+highp vec2 tanh(highp vec2 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0));
+}
+
+highp vec3 tanh(highp vec3 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0));
+}
+
+highp vec4 tanh(highp vec4 x) {
+	highp float exp2x = exp(2.0 * x.x);
+	highp float exp2y = exp(2.0 * x.y);
+	highp float exp2z = exp(2.0 * x.z);
+	highp float exp2w = exp(2.0 * x.w);
+	return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0));
+}
+
+#endif
+
+#if defined(ASINH_USED)
+
+highp float asinh(highp float x) {
+	return sign(x) * log(abs(x) + sqrt(1.0 + x * x));
+}
+
+highp vec2 asinh(highp vec2 x) {
+	return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)));
+}
+
+highp vec3 asinh(highp vec3 x) {
+	return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)));
+}
+
+highp vec4 asinh(highp vec4 x) {
+	return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w)));
+}
+
+#endif
+
+#if defined(ACOSH_USED)
+
+highp float acosh(highp float x) {
+	return log(x + sqrt(x * x - 1.0));
+}
+
+highp vec2 acosh(highp vec2 x) {
+	return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)));
+}
+
+highp vec3 acosh(highp vec3 x) {
+	return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)));
+}
+
+highp vec4 acosh(highp vec4 x) {
+	return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0)));
+}
+
+#endif
+
+#if defined(ATANH_USED)
+
+highp float atanh(highp float x) {
+	return 0.5 * log((1.0 + x) / (1.0 - x));
+}
+
+highp vec2 atanh(highp vec2 x) {
+	return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)));
+}
+
+highp vec3 atanh(highp vec3 x) {
+	return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)));
+}
+
+highp vec4 atanh(highp vec4 x) {
+	return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w)));
+}
+
+#endif
+
+#if defined(ROUND_USED)
+
+highp float round(highp float x) {
+	return floor(x + 0.5);
+}
+
+highp vec2 round(highp vec2 x) {
+	return floor(x + vec2(0.5));
+}
+
+highp vec3 round(highp vec3 x) {
+	return floor(x + vec3(0.5));
+}
+
+highp vec4 round(highp vec4 x) {
+	return floor(x + vec4(0.5));
+}
+
+#endif
+
+#if defined(ROUND_EVEN_USED)
+
+highp float roundEven(highp float x) {
+	highp float t = x + 0.5;
+	highp float f = floor(t);
+	highp float r;
+	if (t == f) {
+		if (x > 0)
+			r = f - mod(f, 2);
+		else
+			r = f + mod(f, 2);
+	} else
+		r = f;
+	return r;
+}
+
+highp vec2 roundEven(highp vec2 x) {
+	return vec2(roundEven(x.x), roundEven(x.y));
+}
+
+highp vec3 roundEven(highp vec3 x) {
+	return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z));
+}
+
+highp vec4 roundEven(highp vec4 x) {
+	return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w));
+}
+
+#endif
+
+#if defined(IS_INF_USED)
+
+bool isinf(highp float x) {
+	return (2 * x == x) && (x != 0);
+}
+
+bvec2 isinf(highp vec2 x) {
+	return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0));
+}
+
+bvec3 isinf(highp vec3 x) {
+	return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0));
+}
+
+bvec4 isinf(highp vec4 x) {
+	return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0));
+}
+
+#endif
+
+#if defined(IS_NAN_USED)
+
+bool isnan(highp float x) {
+	return x != x;
+}
+
+bvec2 isnan(highp vec2 x) {
+	return bvec2(x.x != x.x, x.y != x.y);
+}
+
+bvec3 isnan(highp vec3 x) {
+	return bvec3(x.x != x.x, x.y != x.y, x.z != x.z);
+}
+
+bvec4 isnan(highp vec4 x) {
+	return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w);
+}
+
+#endif
+
+#if defined(TRUNC_USED)
+
+highp float trunc(highp float x) {
+	return x < 0.0 ? -floor(-x) : floor(x);
+}
+
+highp vec2 trunc(highp vec2 x) {
+	return vec2(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y));
+}
+
+highp vec3 trunc(highp vec3 x) {
+	return vec3(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z));
+}
+
+highp vec4 trunc(highp vec4 x) {
+	return vec4(x.x < 0.0 ? -floor(-x.x) : floor(x.x), x.y < 0.0 ? -floor(-x.y) : floor(x.y), x.z < 0.0 ? -floor(-x.z) : floor(x.z), x.w < 0.0 ? -floor(-x.w) : floor(x.w));
+}
+
+#endif
+
+#if defined(DETERMINANT_USED)
+
+highp float determinant(highp mat2 m) {
+	return m[0].x * m[1].y - m[1].x * m[0].y;
+}
+
+highp float determinant(highp mat3 m) {
+	return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z);
+}
+
+highp float determinant(highp mat4 m) {
+	highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05));
+	return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w;
+}
+
+#endif
+
+#if defined(INVERSE_USED)
+
+highp mat2 inverse(highp mat2 m) {
+	highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y);
+	return mat2(
+			vec2(m[1].y * d, -m[0].y * d),
+			vec2(-m[1].x * d, m[0].x * d));
+}
+
+highp mat3 inverse(highp mat3 m) {
+	highp float c01 = m[2].z * m[1].y - m[1].z * m[2].y;
+	highp float c11 = -m[2].z * m[1].x + m[1].z * m[2].x;
+	highp float c21 = m[2].y * m[1].x - m[1].y * m[2].x;
+	highp float d = 1.0 / (m[0].x * c01 + m[0].y * c11 + m[0].z * c21);
+
+	return mat3(c01, (-m[2].z * m[0].y + m[0].z * m[2].y), (m[1].z * m[0].y - m[0].z * m[1].y),
+				   c11, (m[2].z * m[0].x - m[0].z * m[2].x), (-m[1].z * m[0].x + m[0].z * m[1].x),
+				   c21, (-m[2].y * m[0].x + m[0].y * m[2].x), (m[1].y * m[0].x - m[0].y * m[1].x)) *
+			d;
+}
+
+highp mat4 inverse(highp mat4 m) {
+	highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w;
+	highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w;
+	highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w;
+
+	highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w;
+	highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w;
+	highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w;
+
+	highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z;
+	highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z;
+	highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z;
+
+	highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w;
+	highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w;
+	highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w;
+
+	highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z;
+	highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z;
+	highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z;
+
+	highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y;
+	highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y;
+	highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y;
+
+	vec4 f0 = vec4(c00, c00, c02, c03);
+	vec4 f1 = vec4(c04, c04, c06, c07);
+	vec4 f2 = vec4(c08, c08, c10, c11);
+	vec4 f3 = vec4(c12, c12, c14, c15);
+	vec4 f4 = vec4(c16, c16, c18, c19);
+	vec4 f5 = vec4(c20, c20, c22, c23);
+
+	vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x);
+	vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y);
+	vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z);
+	vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w);
+
+	vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2);
+	vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4);
+	vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5);
+	vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5);
+
+	vec4 sa = vec4(+1, -1, +1, -1);
+	vec4 sb = vec4(-1, +1, -1, +1);
+
+	mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb);
+
+	vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x);
+	vec4 d0 = vec4(m[0] * r0);
+
+	highp float d1 = (d0.x + d0.y) + (d0.z + d0.w);
+	highp float d = 1.0 / d1;
+
+	return inv * d;
+}
+
+#endif
+
+#ifndef USE_GLES_OVER_GL
+
+#if defined(TRANSPOSE_USED)
+
+highp mat2 transpose(highp mat2 m) {
+	return mat2(
+			vec2(m[0].x, m[1].x),
+			vec2(m[0].y, m[1].y));
+}
+
+highp mat3 transpose(highp mat3 m) {
+	return mat3(
+			vec3(m[0].x, m[1].x, m[2].x),
+			vec3(m[0].y, m[1].y, m[2].y),
+			vec3(m[0].z, m[1].z, m[2].z));
+}
+
+#endif
+
+highp mat4 transpose(highp mat4 m) {
+	return mat4(
+			vec4(m[0].x, m[1].x, m[2].x, m[3].x),
+			vec4(m[0].y, m[1].y, m[2].y, m[3].y),
+			vec4(m[0].z, m[1].z, m[2].z, m[3].z),
+			vec4(m[0].w, m[1].w, m[2].w, m[3].w));
+}
+
+#if defined(OUTER_PRODUCT_USED)
+
+highp mat2 outerProduct(highp vec2 c, highp vec2 r) {
+	return mat2(c * r.x, c * r.y);
+}
+
+highp mat3 outerProduct(highp vec3 c, highp vec3 r) {
+	return mat3(c * r.x, c * r.y, c * r.z);
+}
+
+highp mat4 outerProduct(highp vec4 c, highp vec4 r) {
+	return mat4(c * r.x, c * r.y, c * r.z, c * r.w);
+}
+
+#endif
+
+#endif
+
+uniform highp mat4 modelview_matrix;
+uniform highp mat4 extra_matrix;
+attribute highp vec2 vertex; // attrib:0
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+// shared with tangent, not used in canvas shader
+attribute highp float light_angle; // attrib:2
+#endif
+
+attribute vec4 color_attrib; // attrib:3
+attribute vec2 uv_attrib; // attrib:4
+
+#ifdef USE_ATTRIB_MODULATE
+attribute highp vec4 modulate_attrib; // attrib:5
+#endif
+
+// Usually, final_modulate is passed as a uniform. However during batching
+// If larger fvfs are used, final_modulate is passed as an attribute.
+// we need to read from the attribute in custom vertex shader
+// rather than the uniform. We do this by specifying final_modulate_alias
+// in shaders rather than final_modulate directly.
+#ifdef USE_ATTRIB_MODULATE
+#define final_modulate_alias modulate_attrib
+#else
+#define final_modulate_alias final_modulate
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+// shared with skeleton attributes, not used in batched shader
+attribute highp vec2 translate_attrib; // attrib:6
+attribute highp vec4 basis_attrib; // attrib:7
+#endif
+
+#ifdef USE_SKELETON
+attribute highp vec4 bone_indices; // attrib:6
+attribute highp vec4 bone_weights; // attrib:7
+#endif
+
+#ifdef USE_INSTANCING
+
+attribute highp vec4 instance_xform0; //attrib:8
+attribute highp vec4 instance_xform1; //attrib:9
+attribute highp vec4 instance_xform2; //attrib:10
+attribute highp vec4 instance_color; //attrib:11
+
+#ifdef USE_INSTANCE_CUSTOM
+attribute highp vec4 instance_custom_data; //attrib:12
+#endif
+
+#endif
+
+#ifdef USE_SKELETON
+uniform highp sampler2D skeleton_texture; // texunit:-3
+uniform highp ivec2 skeleton_texture_size;
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
+varying vec2 uv_interp;
+varying vec4 color_interp;
+
+#ifdef USE_ATTRIB_MODULATE
+// modulate doesn't need interpolating but we need to send it to the fragment shader
+varying vec4 modulate_interp;
+#endif
+
+#ifdef MODULATE_USED
+uniform vec4 final_modulate;
+#endif
+
+uniform highp vec2 color_texpixel_size;
+
+#ifdef USE_TEXTURE_RECT
+
+uniform vec4 dst_rect;
+uniform vec4 src_rect;
+
+#endif
+
+uniform highp float time;
+
+#ifdef USE_LIGHTING
+
+// light matrices
+uniform highp mat4 light_matrix;
+uniform highp mat4 light_matrix_inverse;
+uniform highp mat4 light_local_matrix;
+uniform highp mat4 shadow_matrix;
+uniform highp vec4 light_color;
+uniform highp vec4 light_shadow_color;
+uniform highp vec2 light_pos;
+uniform highp float shadowpixel_size;
+uniform highp float shadow_gradient;
+uniform highp float light_height;
+uniform highp float light_outside_alpha;
+uniform highp float shadow_distance_mult;
+
+varying vec4 light_uv_interp;
+varying vec2 transformed_light_uv;
+varying vec4 local_rot;
+
+#ifdef USE_SHADOWS
+varying highp vec2 pos;
+#endif
+
+const bool at_light_pass = true;
+#else
+const bool at_light_pass = false;
+#endif
+
+/* clang-format off */
+uniform highp vec2 m_player1_position;
+uniform highp vec2 m_viewport_size;
+uniform bool m_split_active;
+uniform highp vec2 m_player2_position;
+uniform highp vec4 m_split_line_color;
+uniform highp sampler2D m_viewport2;
+uniform highp float m_split_line_thickness;
+uniform highp sampler2D m_viewport1;
+
+
+/* clang-format on */
+
+vec2 select(vec2 a, vec2 b, bvec2 c) {
+	vec2 ret;
+
+	ret.x = c.x ? b.x : a.x;
+	ret.y = c.y ? b.y : a.y;
+
+	return ret;
+}
+
+void main() {
+	vec4 color = color_attrib;
+	vec2 uv;
+
+#ifdef USE_INSTANCING
+	mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
+	color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
+	vec4 instance_custom = instance_custom_data;
+#else
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#else
+	mat4 extra_matrix_instance = extra_matrix;
+	vec4 instance_custom = vec4(0.0);
+#endif
+
+#ifdef USE_TEXTURE_RECT
+
+	if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z
+		uv = src_rect.xy + abs(src_rect.zw) * vertex.yx;
+	} else {
+		uv = src_rect.xy + abs(src_rect.zw) * vertex;
+	}
+
+	vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0);
+
+	// This is what is done in the GLES 3 bindings and should
+	// take care of flipped rects.
+	//
+	// But it doesn't.
+	// I don't know why, will need to investigate further.
+
+	outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0)));
+
+	// outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex;
+#else
+	vec4 outvec = vec4(vertex.xy, 0.0, 1.0);
+
+	uv = uv_attrib;
+#endif
+
+	float point_size = 1.0;
+
+	{
+		vec2 src_vtx = outvec.xy;
+		/* clang-format off */
+
+
+		/* clang-format on */
+	}
+
+	gl_PointSize = point_size;
+
+#ifdef USE_ATTRIB_MODULATE
+	// modulate doesn't need interpolating but we need to send it to the fragment shader
+	modulate_interp = modulate_attrib;
+#endif
+
+#ifdef USE_ATTRIB_LARGE_VERTEX
+	// transform is in attributes
+	vec2 temp;
+
+	temp = outvec.xy;
+	temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z);
+	temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w);
+
+	temp += translate_attrib;
+	outvec.xy = temp;
+
+#else
+
+	// transform is in uniforms
+#if !defined(SKIP_TRANSFORM_USED)
+	outvec = extra_matrix_instance * outvec;
+	outvec = modelview_matrix * outvec;
+#endif
+
+#endif // not large integer
+
+	color_interp = color;
+
+#ifdef USE_PIXEL_SNAP
+	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
+#endif
+
+#ifdef USE_SKELETON
+
+	// look up transform from the "pose texture"
+	if (bone_weights != vec4(0.0)) {
+		highp mat4 bone_transform = mat4(0.0);
+
+		for (int i = 0; i < 4; i++) {
+			ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0);
+
+			highp mat4 b = mat4(
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)),
+					texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)),
+					vec4(0.0, 0.0, 1.0, 0.0),
+					vec4(0.0, 0.0, 0.0, 1.0));
+
+			bone_transform += b * bone_weights[i];
+		}
+
+		mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse;
+
+		outvec = bone_matrix * outvec;
+	}
+
+#endif
+
+	uv_interp = uv;
+	gl_Position = projection_matrix * outvec;
+
+#ifdef USE_LIGHTING
+
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = (light_local_matrix * outvec).xy;
+
+	transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping
+
+#ifdef USE_SHADOWS
+	pos = outvec.xy;
+#endif
+
+#ifdef USE_ATTRIB_LIGHT_ANGLE
+	// we add a fixed offset because we are using the sign later,
+	// and don't want floating point error around 0.0
+	float la = abs(light_angle) - 1.0;
+
+	// vector light angle
+	vec4 vla;
+	vla.xy = vec2(cos(la), sin(la));
+	vla.zw = vec2(-vla.y, vla.x);
+
+	// vertical flip encoded in the sign
+	vla.zw *= sign(light_angle);
+
+	// apply the transform matrix.
+	// The rotate will be encoded in the transform matrix for single rects,
+	// and just the flips in the light angle.
+	// For batching we will encode the rotation and the flips
+	// in the light angle, and can use the same shader.
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy);
+#else
+	local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy);
+	local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy);
+#ifdef USE_TEXTURE_RECT
+	local_rot.xy *= sign(src_rect.z);
+	local_rot.zw *= sign(src_rect.w);
+#endif
+#endif // not using light angle
+
+#endif
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/91-9.shader_test b/shaders/godot3.4/91-9.shader_test
new file mode 100644
index 0000000..b8e7c3d
--- /dev/null
+++ b/shaders/godot3.4/91-9.shader_test
@@ -0,0 +1,187 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_17_SAMPLES
+#define ENABLE_STRENGTH_WEIGHTING
+precision highp float;
+precision highp int;
+
+//#define QUALIFIER uniform // some guy on the interweb says it may be faster with this
+#define QUALIFIER const
+
+#ifdef USE_25_SAMPLES
+const int kernel_size = 25;
+/* clang-format on */
+QUALIFIER vec2 kernel[25] = vec2[](
+		vec2(0.530605, 0.0),
+		vec2(0.000973794, -3.0),
+		vec2(0.00333804, -2.52083),
+		vec2(0.00500364, -2.08333),
+		vec2(0.00700976, -1.6875),
+		vec2(0.0094389, -1.33333),
+		vec2(0.0128496, -1.02083),
+		vec2(0.017924, -0.75),
+		vec2(0.0263642, -0.520833),
+		vec2(0.0410172, -0.333333),
+		vec2(0.0493588, -0.1875),
+		vec2(0.0402784, -0.0833333),
+		vec2(0.0211412, -0.0208333),
+		vec2(0.0211412, 0.0208333),
+		vec2(0.0402784, 0.0833333),
+		vec2(0.0493588, 0.1875),
+		vec2(0.0410172, 0.333333),
+		vec2(0.0263642, 0.520833),
+		vec2(0.017924, 0.75),
+		vec2(0.0128496, 1.02083),
+		vec2(0.0094389, 1.33333),
+		vec2(0.00700976, 1.6875),
+		vec2(0.00500364, 2.08333),
+		vec2(0.00333804, 2.52083),
+		vec2(0.000973794, 3.0));
+#endif //USE_25_SAMPLES
+
+#ifdef USE_17_SAMPLES
+const int kernel_size = 17;
+QUALIFIER vec2 kernel[17] = vec2[](
+		vec2(0.536343, 0.0),
+		vec2(0.00317394, -2.0),
+		vec2(0.0100386, -1.53125),
+		vec2(0.0144609, -1.125),
+		vec2(0.0216301, -0.78125),
+		vec2(0.0347317, -0.5),
+		vec2(0.0571056, -0.28125),
+		vec2(0.0582416, -0.125),
+		vec2(0.0324462, -0.03125),
+		vec2(0.0324462, 0.03125),
+		vec2(0.0582416, 0.125),
+		vec2(0.0571056, 0.28125),
+		vec2(0.0347317, 0.5),
+		vec2(0.0216301, 0.78125),
+		vec2(0.0144609, 1.125),
+		vec2(0.0100386, 1.53125),
+		vec2(0.00317394, 2.0));
+#endif //USE_17_SAMPLES
+
+#ifdef USE_11_SAMPLES
+const int kernel_size = 11;
+QUALIFIER vec2 kernel[11] = vec2[](
+		vec2(0.560479, 0.0),
+		vec2(0.00471691, -2.0),
+		vec2(0.0192831, -1.28),
+		vec2(0.03639, -0.72),
+		vec2(0.0821904, -0.32),
+		vec2(0.0771802, -0.08),
+		vec2(0.0771802, 0.08),
+		vec2(0.0821904, 0.32),
+		vec2(0.03639, 0.72),
+		vec2(0.0192831, 1.28),
+		vec2(0.00471691, 2.0));
+#endif //USE_11_SAMPLES
+
+uniform float max_radius;
+uniform float camera_z_far;
+uniform float camera_z_near;
+uniform float unit_size;
+uniform vec2 dir;
+in vec2 uv_interp;
+
+uniform sampler2D source_diffuse; //texunit:0
+uniform sampler2D source_sss; //texunit:1
+uniform sampler2D source_depth; //texunit:2
+
+layout(location = 0) out vec4 frag_color;
+
+void main() {
+	float strength = texture(source_sss, uv_interp).r;
+	strength *= strength; //stored as sqrt
+
+	// Fetch color of current pixel:
+	vec4 base_color = texture(source_diffuse, uv_interp);
+
+	if (strength > 0.0) {
+		// Fetch linear depth of current pixel:
+		float depth = texture(source_depth, uv_interp).r * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+		float scale = unit_size; //remember depth is negative by default in OpenGL
+#else
+		depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near));
+		float scale = unit_size / depth; //remember depth is negative by default in OpenGL
+#endif
+
+		// Calculate the final step to fetch the surrounding pixels:
+		vec2 step = max_radius * scale * dir;
+		step *= strength; // Modulate it using the alpha channel.
+		step *= 1.0 / 3.0; // Divide by 3 as the kernels range from -3 to 3.
+
+		// Accumulate the center sample:
+		vec3 color_accum = base_color.rgb;
+		color_accum *= kernel[0].x;
+#ifdef ENABLE_STRENGTH_WEIGHTING
+		float color_weight = kernel[0].x;
+#endif
+
+		// Accumulate the other samples:
+		for (int i = 1; i < kernel_size; i++) {
+			// Fetch color and depth for current sample:
+			vec2 offset = uv_interp + kernel[i].y * step;
+			vec3 color = texture(source_diffuse, offset).rgb;
+
+#ifdef ENABLE_FOLLOW_SURFACE
+			// If the difference in depth is huge, we lerp color back to "colorM":
+			float depth_cmp = texture(source_depth, offset).r * 2.0 - 1.0;
+
+#ifdef USE_ORTHOGONAL_PROJECTION
+			depth_cmp = ((depth_cmp + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+			depth_cmp = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth_cmp * (camera_z_far - camera_z_near));
+#endif
+
+			float s = clamp(300.0f * scale * max_radius * abs(depth - depth_cmp), 0.0, 1.0);
+			color = mix(color, base_color.rgb, s);
+#endif
+
+			// Accumulate:
+			color *= kernel[i].x;
+
+#ifdef ENABLE_STRENGTH_WEIGHTING
+			float color_s = texture(source_sss, offset).r;
+			color_weight += color_s * kernel[i].x;
+			color *= color_s;
+#endif
+			color_accum += color;
+		}
+
+#ifdef ENABLE_STRENGTH_WEIGHTING
+		color_accum /= color_weight;
+#endif
+		frag_color = vec4(color_accum, base_color.a); //keep alpha (used for SSAO)
+	} else {
+		frag_color = base_color;
+	}
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define USE_17_SAMPLES
+#define ENABLE_STRENGTH_WEIGHTING
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/94-8.shader_test b/shaders/godot3.4/94-8.shader_test
new file mode 100644
index 0000000..06aa7f3
--- /dev/null
+++ b/shaders/godot3.4/94-8.shader_test
@@ -0,0 +1,54 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+uniform sampler2D source_specular; // texunit:0
+uniform sampler2D source_ssr; // texunit:1
+
+uniform vec2 pixel_size;
+
+in vec2 uv2_interp;
+
+layout(location = 0) out vec4 frag_color;
+
+void main() {
+	vec4 specular = texture(source_specular, uv_interp);
+
+#ifdef USE_SSR
+	vec4 ssr = textureLod(source_ssr, uv_interp, 0.0);
+	specular.rgb = mix(specular.rgb, ssr.rgb * specular.a, ssr.a);
+#endif
+
+	frag_color = vec4(specular.rgb, 1.0);
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+}
+
+/* clang-format off */
+
diff --git a/shaders/godot3.4/97-8.shader_test b/shaders/godot3.4/97-8.shader_test
new file mode 100644
index 0000000..af1b378
--- /dev/null
+++ b/shaders/godot3.4/97-8.shader_test
@@ -0,0 +1,330 @@
+[require]
+GLSL >= 3.30
+
+[fragment shader]
+#version 330
+#define GLES_OVER_GL
+#define SIMPLE_COPY
+precision highp float;
+precision highp int;
+
+#if !defined(GLES_OVER_GL)
+precision mediump float;
+#endif
+/* clang-format on */
+
+in vec2 uv_interp;
+uniform sampler2D source_color; //texunit:0
+
+#ifdef SSAO_MERGE
+uniform sampler2D source_ssao; //texunit:1
+#endif
+
+uniform float lod;
+uniform vec2 pixel_size;
+
+layout(location = 0) out vec4 frag_color;
+
+#ifdef SSAO_MERGE
+
+uniform vec4 ssao_color;
+
+#endif
+
+#if defined(GLOW_GAUSSIAN_HORIZONTAL) || defined(GLOW_GAUSSIAN_VERTICAL)
+
+uniform float glow_strength;
+
+#endif
+
+#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
+
+#ifdef DOF_QUALITY_LOW
+const int dof_kernel_size = 5;
+const int dof_kernel_from = 2;
+const float dof_kernel[5] = float[](0.153388, 0.221461, 0.250301, 0.221461, 0.153388);
+#endif
+
+#ifdef DOF_QUALITY_MEDIUM
+const int dof_kernel_size = 11;
+const int dof_kernel_from = 5;
+const float dof_kernel[11] = float[](0.055037, 0.072806, 0.090506, 0.105726, 0.116061, 0.119726, 0.116061, 0.105726, 0.090506, 0.072806, 0.055037);
+
+#endif
+
+#ifdef DOF_QUALITY_HIGH
+const int dof_kernel_size = 21;
+const int dof_kernel_from = 10;
+const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174);
+#endif
+
+uniform sampler2D dof_source_depth; //texunit:1
+uniform float dof_begin;
+uniform float dof_end;
+uniform vec2 dof_dir;
+uniform float dof_radius;
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+uniform sampler2D source_dof_original; //texunit:2
+#endif
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+uniform float exposure;
+uniform float white;
+uniform highp float luminance_cap;
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+uniform highp sampler2D source_auto_exposure; //texunit:1
+uniform highp float auto_exposure_grey;
+
+#endif
+
+uniform float glow_bloom;
+uniform float glow_hdr_threshold;
+uniform float glow_hdr_scale;
+
+#endif
+
+uniform float camera_z_far;
+uniform float camera_z_near;
+
+void main() {
+#ifdef GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+	// sigma 2
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.214607;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.071303;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.189879;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.131514;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303;
+	frag_color = color;
+#endif
+
+#ifdef GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.38774;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.06136;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.24477;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.06136;
+	frag_color = color;
+#endif
+
+	//glow uses larger sigma for a more rounded blur effect
+
+#ifdef GLOW_GAUSSIAN_HORIZONTAL
+	vec2 pix_size = pixel_size;
+	pix_size *= 0.5; //reading from larger buffer, so use more samples
+
+#ifdef USE_GLOW_HIGH_QUALITY
+	// Sample from two lines to capture single-pixel features.
+	// This is significantly slower, but looks better and is more stable for moving objects.
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 0.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 0.0) * pix_size, lod) * 0.063327;
+
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pix_size, lod) * 0.152781;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(4.0, 1.0) * pix_size, lod) * 0.063327;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 1.0) * pix_size, lod) * 0.144599;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 1.0) * pix_size, lod) * 0.122589;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 1.0) * pix_size, lod) * 0.093095;
+	color += textureLod(source_color, uv_interp + vec2(-4.0, 1.0) * pix_size, lod) * 0.063327;
+	color *= 0.5;
+#else
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938;
+	color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595;
+	color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569;
+	color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367;
+	color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595;
+#endif //USE_GLOW_HIGH_QUALITY
+
+	color *= glow_strength;
+	frag_color = color;
+#endif //GLOW_GAUSSIAN_HORIZONTAL
+
+#ifdef GLOW_GAUSSIAN_VERTICAL
+	vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062;
+	color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581;
+	color *= glow_strength;
+	frag_color = color;
+#endif
+
+#ifdef DOF_FAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float depth = textureLod(dof_source_depth, uv_interp, 0.0).r;
+	depth = depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+	depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+	depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near));
+#endif
+
+	float amount = smoothstep(dof_begin, dof_end, depth);
+	float k_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * amount * dof_radius;
+
+		float tap_k = dof_kernel[i];
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = mix(smoothstep(dof_begin, dof_end, tap_depth), 1.0, int_ofs == 0);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0) * tap_k;
+
+		k_accum += tap_k * tap_amount;
+		color_accum += tap_color * tap_amount;
+	}
+
+	if (k_accum > 0.0) {
+		color_accum /= k_accum;
+	}
+
+	frag_color = color_accum; ///k_accum;
+
+#endif
+
+#ifdef DOF_NEAR_BLUR
+
+	vec4 color_accum = vec4(0.0);
+
+	float max_accum = 0.0;
+
+	for (int i = 0; i < dof_kernel_size; i++) {
+		int int_ofs = i - dof_kernel_from;
+		vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * dof_radius;
+		float ofs_influence = max(0.0, 1.0 - float(abs(int_ofs)) / float(dof_kernel_from));
+
+		float tap_k = dof_kernel[i];
+
+		vec4 tap_color = textureLod(source_color, tap_uv, 0.0);
+
+		float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
+		tap_depth = tap_depth * 2.0 - 1.0;
+#ifdef USE_ORTHOGONAL_PROJECTION
+		tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
+#else
+		tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
+#endif
+		float tap_amount = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+		tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
+
+#ifdef DOF_NEAR_FIRST_TAP
+
+		tap_color.a = 1.0 - smoothstep(dof_end, dof_begin, tap_depth);
+
+#endif
+
+		max_accum = max(max_accum, tap_amount * ofs_influence);
+
+		color_accum += tap_color * tap_k;
+	}
+
+	color_accum.a = max(color_accum.a, sqrt(max_accum));
+
+#ifdef DOF_NEAR_BLUR_MERGE
+
+	vec4 original = textureLod(source_dof_original, uv_interp, 0.0);
+	color_accum = mix(original, color_accum, color_accum.a);
+
+#endif
+
+#ifndef DOF_NEAR_FIRST_TAP
+	//color_accum=vec4(vec3(color_accum.a),1.0);
+#endif
+	frag_color = color_accum;
+
+#endif
+
+#ifdef GLOW_FIRST_PASS
+
+#ifdef GLOW_USE_AUTO_EXPOSURE
+
+	frag_color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
+#endif
+	frag_color *= exposure;
+
+	float luminance = max(frag_color.r, max(frag_color.g, frag_color.b));
+	float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom);
+
+	frag_color = min(frag_color * feedback, vec4(luminance_cap));
+
+#endif
+
+#ifdef SIMPLE_COPY
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	frag_color = color;
+#endif
+
+#ifdef SSAO_MERGE
+
+	vec4 color = textureLod(source_color, uv_interp, 0.0);
+	float ssao = textureLod(source_ssao, uv_interp, 0.0).r;
+
+	frag_color = vec4(mix(color.rgb, color.rgb * mix(ssao_color.rgb, vec3(1.0), ssao), color.a), 1.0);
+
+#endif
+}
+
+[vertex shader]
+#version 330
+#define GLES_OVER_GL
+#define SIMPLE_COPY
+precision highp float;
+precision highp int;
+
+layout(location = 0) in highp vec4 vertex_attrib;
+/* clang-format on */
+layout(location = 4) in vec2 uv_in;
+
+out vec2 uv_interp;
+
+#ifdef USE_BLUR_SECTION
+
+uniform vec4 blur_section;
+
+#endif
+
+void main() {
+	uv_interp = uv_in;
+	gl_Position = vertex_attrib;
+#ifdef USE_BLUR_SECTION
+
+	uv_interp = blur_section.xy + uv_interp * blur_section.zw;
+	gl_Position.xy = (blur_section.xy + (gl_Position.xy * 0.5 + 0.5) * blur_section.zw) * 2.0 - 1.0;
+#endif
+}
+
+/* clang-format off */
+